<?xml version="1.0" encoding="UTF-8"?>

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2024 Workiva-->
<!--r:7c7914cf-2a47-4640-93cc-c21191467809,g:b49d1b44-b366-464b-a9df-45a6f9083880-->
<link:linkbase xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
  <link:roleRef roleURI="http://www.tandemdiabetes.com/role/CONSOLIDATEDBALANCESHEETS" xlink:type="simple" xlink:href="tndm-20231231.xsd#CONSOLIDATEDBALANCESHEETS"/>
  <link:calculationLink xlink:role="http://www.tandemdiabetes.com/role/CONSOLIDATEDBALANCESHEETS" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Assets_3a778e07-0e44-4712-a084-29148c29185b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_Assets"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsCurrent_35cda9d3-0127-4c06-b9d0-5237e67ee457" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AssetsCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_3a778e07-0e44-4712-a084-29148c29185b" xlink:to="loc_us-gaap_AssetsCurrent_35cda9d3-0127-4c06-b9d0-5237e67ee457" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_f078bbb3-ba67-4352-98c8-7a2830e79567" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PropertyPlantAndEquipmentNet"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_3a778e07-0e44-4712-a084-29148c29185b" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentNet_f078bbb3-ba67-4352-98c8-7a2830e79567" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseRightOfUseAsset_03a844e2-b134-4e61-b2d7-8f185651d608" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OperatingLeaseRightOfUseAsset"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_3a778e07-0e44-4712-a084-29148c29185b" xlink:to="loc_us-gaap_OperatingLeaseRightOfUseAsset_03a844e2-b134-4e61-b2d7-8f185651d608" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssetsNoncurrent_16c30ec2-7a31-4c9c-ba34-63c9d460f58c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OtherAssetsNoncurrent"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_3a778e07-0e44-4712-a084-29148c29185b" xlink:to="loc_us-gaap_OtherAssetsNoncurrent_16c30ec2-7a31-4c9c-ba34-63c9d460f58c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_51e12b85-a30c-4c5f-95dc-72c8529412d2" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StockholdersEquity"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockValue_7e952646-994e-4f08-b529-cf893d3cf201" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CommonStockValue"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_51e12b85-a30c-4c5f-95dc-72c8529412d2" xlink:to="loc_us-gaap_CommonStockValue_7e952646-994e-4f08-b529-cf893d3cf201" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdditionalPaidInCapitalCommonStock_2de55a90-cd20-419a-9dda-f5514be5b245" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AdditionalPaidInCapitalCommonStock"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_51e12b85-a30c-4c5f-95dc-72c8529412d2" xlink:to="loc_us-gaap_AdditionalPaidInCapitalCommonStock_2de55a90-cd20-419a-9dda-f5514be5b245" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_52d96128-1d7c-467f-b72d-08045654fd12" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_51e12b85-a30c-4c5f-95dc-72c8529412d2" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_52d96128-1d7c-467f-b72d-08045654fd12" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetainedEarningsAccumulatedDeficit_435df21a-ded9-4f66-a9ab-81934a85488c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RetainedEarningsAccumulatedDeficit"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_51e12b85-a30c-4c5f-95dc-72c8529412d2" xlink:to="loc_us-gaap_RetainedEarningsAccumulatedDeficit_435df21a-ded9-4f66-a9ab-81934a85488c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesCurrent_773700c5-4014-4028-8fca-f72b063f5d26" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LiabilitiesCurrent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsPayableCurrent_95594cb9-c68e-4e34-a093-5f2db68a202a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AccountsPayableCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_773700c5-4014-4028-8fca-f72b063f5d26" xlink:to="loc_us-gaap_AccountsPayableCurrent_95594cb9-c68e-4e34-a093-5f2db68a202a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccruedLiabilitiesCurrent_a1ddc6df-6802-40b3-94c3-42a96cf119e9" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AccruedLiabilitiesCurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_773700c5-4014-4028-8fca-f72b063f5d26" xlink:to="loc_us-gaap_AccruedLiabilitiesCurrent_a1ddc6df-6802-40b3-94c3-42a96cf119e9" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeRelatedLiabilitiesCurrent_394b27e5-8f38-4a09-82f4-873e9f53c79a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EmployeeRelatedLiabilitiesCurrent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_773700c5-4014-4028-8fca-f72b063f5d26" xlink:to="loc_us-gaap_EmployeeRelatedLiabilitiesCurrent_394b27e5-8f38-4a09-82f4-873e9f53c79a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerLiabilityCurrent_ec3d6813-06e6-4bdf-85dc-fdecc56c0e33" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ContractWithCustomerLiabilityCurrent"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_773700c5-4014-4028-8fca-f72b063f5d26" xlink:to="loc_us-gaap_ContractWithCustomerLiabilityCurrent_ec3d6813-06e6-4bdf-85dc-fdecc56c0e33" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiabilityCurrent_75408670-07db-470f-828b-77ff90109444" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OperatingLeaseLiabilityCurrent"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_773700c5-4014-4028-8fca-f72b063f5d26" xlink:to="loc_us-gaap_OperatingLeaseLiabilityCurrent_75408670-07db-470f-828b-77ff90109444" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherLiabilitiesCurrent_22bfa4ee-9c47-4399-97d5-40295dffb85f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OtherLiabilitiesCurrent"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_773700c5-4014-4028-8fca-f72b063f5d26" xlink:to="loc_us-gaap_OtherLiabilitiesCurrent_22bfa4ee-9c47-4399-97d5-40295dffb85f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquity_fa882e5c-145f-403c-b3d3-e29fc7d6862f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LiabilitiesAndStockholdersEquity"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Liabilities_7907092d-c7e3-4d5b-ab92-74a0f2dcca20" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_Liabilities"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_fa882e5c-145f-403c-b3d3-e29fc7d6862f" xlink:to="loc_us-gaap_Liabilities_7907092d-c7e3-4d5b-ab92-74a0f2dcca20" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommitmentsAndContingencies_1e5ff37e-6f87-489c-9789-d4ef0fad3a80" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CommitmentsAndContingencies"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_fa882e5c-145f-403c-b3d3-e29fc7d6862f" xlink:to="loc_us-gaap_CommitmentsAndContingencies_1e5ff37e-6f87-489c-9789-d4ef0fad3a80" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_84af1edc-d7af-45a4-b041-8390b373b2eb" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StockholdersEquity"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_fa882e5c-145f-403c-b3d3-e29fc7d6862f" xlink:to="loc_us-gaap_StockholdersEquity_84af1edc-d7af-45a4-b041-8390b373b2eb" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsCurrent_113a7d78-f871-48a8-8afd-868d73e933e2" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AssetsCurrent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_fd360c2b-516c-4e89-b3c3-2c7f7862d893" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_113a7d78-f871-48a8-8afd-868d73e933e2" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_fd360c2b-516c-4e89-b3c3-2c7f7862d893" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShortTermInvestments_dacdb27a-ba64-478d-8430-c237e949f51b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShortTermInvestments"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_113a7d78-f871-48a8-8afd-868d73e933e2" xlink:to="loc_us-gaap_ShortTermInvestments_dacdb27a-ba64-478d-8430-c237e949f51b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsReceivableNetCurrent_70665faa-3172-4b0f-af48-7b9134207264" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AccountsReceivableNetCurrent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_113a7d78-f871-48a8-8afd-868d73e933e2" xlink:to="loc_us-gaap_AccountsReceivableNetCurrent_70665faa-3172-4b0f-af48-7b9134207264" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryNet_46006ca1-3cbe-4fb2-9567-bcf8f16f1025" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_InventoryNet"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_113a7d78-f871-48a8-8afd-868d73e933e2" xlink:to="loc_us-gaap_InventoryNet_46006ca1-3cbe-4fb2-9567-bcf8f16f1025" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_18c449e6-9d8b-452a-847e-42eeaddd9425" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PrepaidExpenseAndOtherAssetsCurrent"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_113a7d78-f871-48a8-8afd-868d73e933e2" xlink:to="loc_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_18c449e6-9d8b-452a-847e-42eeaddd9425" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Liabilities_14b36173-2b91-40b8-aca1-9c9e261325eb" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_Liabilities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConvertibleDebtNoncurrent_f74cf014-b449-4e0c-bce3-a431cf49bdce" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ConvertibleDebtNoncurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_14b36173-2b91-40b8-aca1-9c9e261325eb" xlink:to="loc_us-gaap_ConvertibleDebtNoncurrent_f74cf014-b449-4e0c-bce3-a431cf49bdce" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_74d9c349-3668-43d8-8b8e-921f71feba76" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OperatingLeaseLiabilityNoncurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_14b36173-2b91-40b8-aca1-9c9e261325eb" xlink:to="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_74d9c349-3668-43d8-8b8e-921f71feba76" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherLiabilitiesNoncurrent_e9afb70e-cdd9-4dee-8a77-cf559d1bdd20" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OtherLiabilitiesNoncurrent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_14b36173-2b91-40b8-aca1-9c9e261325eb" xlink:to="loc_us-gaap_OtherLiabilitiesNoncurrent_e9afb70e-cdd9-4dee-8a77-cf559d1bdd20" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesCurrent_522db383-a84c-41cf-8372-9f9d2e9b8415" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LiabilitiesCurrent"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_14b36173-2b91-40b8-aca1-9c9e261325eb" xlink:to="loc_us-gaap_LiabilitiesCurrent_522db383-a84c-41cf-8372-9f9d2e9b8415" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerLiabilityNoncurrent_50c47222-5634-4fb6-a9df-ab30b0444f14" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ContractWithCustomerLiabilityNoncurrent"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_14b36173-2b91-40b8-aca1-9c9e261325eb" xlink:to="loc_us-gaap_ContractWithCustomerLiabilityNoncurrent_50c47222-5634-4fb6-a9df-ab30b0444f14" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.tandemdiabetes.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONSANDCOMPREHENSIVEINCOMELOSS" xlink:type="simple" xlink:href="tndm-20231231.xsd#CONSOLIDATEDSTATEMENTSOFOPERATIONSANDCOMPREHENSIVEINCOMELOSS"/>
  <link:calculationLink xlink:role="http://www.tandemdiabetes.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONSANDCOMPREHENSIVEINCOMELOSS" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNonoperatingIncomeExpense_4a0bace2-5172-4240-984b-30edebfeec8a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OtherNonoperatingIncomeExpense"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestAndOtherIncome_3a0be650-2882-47c9-82b9-8d56ea1d685e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_InterestAndOtherIncome"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherNonoperatingIncomeExpense_4a0bace2-5172-4240-984b-30edebfeec8a" xlink:to="loc_us-gaap_InterestAndOtherIncome_3a0be650-2882-47c9-82b9-8d56ea1d685e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestExpenseOther_5f178429-6a54-4e08-8041-f50daeb8d8d5" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_InterestExpenseOther"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherNonoperatingIncomeExpense_4a0bace2-5172-4240-984b-30edebfeec8a" xlink:to="loc_us-gaap_InterestExpenseOther_5f178429-6a54-4e08-8041-f50daeb8d8d5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAdjustmentOfWarrants_c4b3aa50-d75d-43f5-bdc0-5d84ba8d1571" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FairValueAdjustmentOfWarrants"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherNonoperatingIncomeExpense_4a0bace2-5172-4240-984b-30edebfeec8a" xlink:to="loc_us-gaap_FairValueAdjustmentOfWarrants_c4b3aa50-d75d-43f5-bdc0-5d84ba8d1571" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTax_719bf27f-912c-4074-8c0f-94e9405814cc" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ComprehensiveIncomeNetOfTax"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_b3ea1325-2a94-4d89-8bf4-090e70578988" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NetIncomeLoss"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTax_719bf27f-912c-4074-8c0f-94e9405814cc" xlink:to="loc_us-gaap_NetIncomeLoss_b3ea1325-2a94-4d89-8bf4-090e70578988" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent_4e07fe4f-194f-40de-b7cf-af45c0c21cc6" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTax_719bf27f-912c-4074-8c0f-94e9405814cc" xlink:to="loc_us-gaap_OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent_4e07fe4f-194f-40de-b7cf-af45c0c21cc6" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent_5ab5f062-cabb-4767-88fb-be66e5f0b4ec" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTax_719bf27f-912c-4074-8c0f-94e9405814cc" xlink:to="loc_us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent_5ab5f062-cabb-4767-88fb-be66e5f0b4ec" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GrossProfit_1f788f00-7c51-4552-851b-6abad0981c14" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_GrossProfit"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_91fa99bd-b6aa-4124-a86f-58edbcc50a6c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_GrossProfit_1f788f00-7c51-4552-851b-6abad0981c14" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_91fa99bd-b6aa-4124-a86f-58edbcc50a6c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostOfGoodsAndServicesSold_ba4fd581-299a-4abb-9c27-baf79478de77" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CostOfGoodsAndServicesSold"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_GrossProfit_1f788f00-7c51-4552-851b-6abad0981c14" xlink:to="loc_us-gaap_CostOfGoodsAndServicesSold_ba4fd581-299a-4abb-9c27-baf79478de77" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_8dc0f0b8-f4ca-4799-93bc-d26d569c5690" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NetIncomeLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_1ed3da21-19ca-4c2e-a1f1-59a2685f0c62" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_8dc0f0b8-f4ca-4799-93bc-d26d569c5690" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_1ed3da21-19ca-4c2e-a1f1-59a2685f0c62" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_4427a657-cdb2-4d55-a368-697b455b03f8" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncomeTaxExpenseBenefit"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_8dc0f0b8-f4ca-4799-93bc-d26d569c5690" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_4427a657-cdb2-4d55-a368-697b455b03f8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingIncomeLoss_5b01ff1c-021f-4b88-964b-20c9140d96a3" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OperatingIncomeLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GrossProfit_5b42e711-13a8-4e18-9c00-b5f2335aca6d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_GrossProfit"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_5b01ff1c-021f-4b88-964b-20c9140d96a3" xlink:to="loc_us-gaap_GrossProfit_5b42e711-13a8-4e18-9c00-b5f2335aca6d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingExpenses_6e26496c-7977-4e4c-aeba-c827ad0cd323" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OperatingExpenses"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_5b01ff1c-021f-4b88-964b-20c9140d96a3" xlink:to="loc_us-gaap_OperatingExpenses_6e26496c-7977-4e4c-aeba-c827ad0cd323" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_fcc6f6f3-2cd9-4257-b1fc-eca8ac01e036" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingIncomeLoss_c6a752cd-5579-4694-a095-84dd323e4b11" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OperatingIncomeLoss"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_fcc6f6f3-2cd9-4257-b1fc-eca8ac01e036" xlink:to="loc_us-gaap_OperatingIncomeLoss_c6a752cd-5579-4694-a095-84dd323e4b11" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNonoperatingIncomeExpense_f7540a0d-3909-4282-bbd0-e7144f0575c5" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OtherNonoperatingIncomeExpense"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_fcc6f6f3-2cd9-4257-b1fc-eca8ac01e036" xlink:to="loc_us-gaap_OtherNonoperatingIncomeExpense_f7540a0d-3909-4282-bbd0-e7144f0575c5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingExpenses_bd845714-c5a7-4d53-ad47-e0126124257e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OperatingExpenses"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ResearchAndDevelopmentAssetAcquiredOtherThanThroughBusinessCombinationWrittenOff_7c5985fb-b7b6-489d-a37a-e07106efc9e1" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ResearchAndDevelopmentAssetAcquiredOtherThanThroughBusinessCombinationWrittenOff"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingExpenses_bd845714-c5a7-4d53-ad47-e0126124257e" xlink:to="loc_us-gaap_ResearchAndDevelopmentAssetAcquiredOtherThanThroughBusinessCombinationWrittenOff_7c5985fb-b7b6-489d-a37a-e07106efc9e1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ResearchAndDevelopmentExpenseExcludingAcquiredInProcessCost_458b6938-1b4d-47e9-aa4c-8538eaa4e55f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ResearchAndDevelopmentExpenseExcludingAcquiredInProcessCost"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingExpenses_bd845714-c5a7-4d53-ad47-e0126124257e" xlink:to="loc_us-gaap_ResearchAndDevelopmentExpenseExcludingAcquiredInProcessCost_458b6938-1b4d-47e9-aa4c-8538eaa4e55f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SellingGeneralAndAdministrativeExpense_575f882f-f09a-4002-8d69-fb7cd4772873" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SellingGeneralAndAdministrativeExpense"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingExpenses_bd845714-c5a7-4d53-ad47-e0126124257e" xlink:to="loc_us-gaap_SellingGeneralAndAdministrativeExpense_575f882f-f09a-4002-8d69-fb7cd4772873" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.tandemdiabetes.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS" xlink:type="simple" xlink:href="tndm-20231231.xsd#CONSOLIDATEDSTATEMENTSOFCASHFLOWS"/>
  <link:calculationLink xlink:role="http://www.tandemdiabetes.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_e5216952-78e1-46aa-953c-ff01bc776a0e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherNoncurrentAssets_f294692b-82c4-48d5-b188-c77d1bcb640f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncreaseDecreaseInOtherNoncurrentAssets"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_e5216952-78e1-46aa-953c-ff01bc776a0e" xlink:to="loc_us-gaap_IncreaseDecreaseInOtherNoncurrentAssets_f294692b-82c4-48d5-b188-c77d1bcb640f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsReceivable_b7780ba0-0bb0-4e9e-b7f4-bc553cc7f984" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncreaseDecreaseInAccountsReceivable"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_e5216952-78e1-46aa-953c-ff01bc776a0e" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsReceivable_b7780ba0-0bb0-4e9e-b7f4-bc553cc7f984" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_1a1deb74-68a6-47e9-bed4-b86577111a4b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_e5216952-78e1-46aa-953c-ff01bc776a0e" xlink:to="loc_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_1a1deb74-68a6-47e9-bed4-b86577111a4b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInContractWithCustomerLiability_df252469-b60c-4697-8501-e0d1820e706c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncreaseDecreaseInContractWithCustomerLiability"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_e5216952-78e1-46aa-953c-ff01bc776a0e" xlink:to="loc_us-gaap_IncreaseDecreaseInContractWithCustomerLiability_df252469-b60c-4697-8501-e0d1820e706c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherNoncurrentLiabilities_6d58905e-7682-4c06-ba5d-57e6cbfd1711" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncreaseDecreaseInOtherNoncurrentLiabilities"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_e5216952-78e1-46aa-953c-ff01bc776a0e" xlink:to="loc_us-gaap_IncreaseDecreaseInOtherNoncurrentLiabilities_6d58905e-7682-4c06-ba5d-57e6cbfd1711" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsPayable_579ddcdb-6751-42a0-bc0a-e8e95efb105b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncreaseDecreaseInAccountsPayable"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_e5216952-78e1-46aa-953c-ff01bc776a0e" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsPayable_579ddcdb-6751-42a0-bc0a-e8e95efb105b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProfitLoss_1a9fe133-95e4-4b5f-a74e-beff101282d7" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ProfitLoss"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_e5216952-78e1-46aa-953c-ff01bc776a0e" xlink:to="loc_us-gaap_ProfitLoss_1a9fe133-95e4-4b5f-a74e-beff101282d7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DepreciationDepletionAndAmortization_45793e36-87a7-4a39-a2eb-aa8c49b03df6" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DepreciationDepletionAndAmortization"/>
    <link:calculationArc order="8" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_e5216952-78e1-46aa-953c-ff01bc776a0e" xlink:to="loc_us-gaap_DepreciationDepletionAndAmortization_45793e36-87a7-4a39-a2eb-aa8c49b03df6" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProvisionForDoubtfulAccounts_718e2979-b18a-443e-a895-cb57d5acd14b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ProvisionForDoubtfulAccounts"/>
    <link:calculationArc order="9" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_e5216952-78e1-46aa-953c-ff01bc776a0e" xlink:to="loc_us-gaap_ProvisionForDoubtfulAccounts_718e2979-b18a-443e-a895-cb57d5acd14b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AmortizationOfFinancingCosts_64c1b6a0-d47e-4858-9b4c-db50d6f3c7f2" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AmortizationOfFinancingCosts"/>
    <link:calculationArc order="10" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_e5216952-78e1-46aa-953c-ff01bc776a0e" xlink:to="loc_us-gaap_AmortizationOfFinancingCosts_64c1b6a0-d47e-4858-9b4c-db50d6f3c7f2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InvestmentIncomeNetAmortizationOfDiscountAndPremium_2a877af1-f60f-482c-b8be-a8a3b475aebc" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_InvestmentIncomeNetAmortizationOfDiscountAndPremium"/>
    <link:calculationArc order="11" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_e5216952-78e1-46aa-953c-ff01bc776a0e" xlink:to="loc_us-gaap_InvestmentIncomeNetAmortizationOfDiscountAndPremium_2a877af1-f60f-482c-b8be-a8a3b475aebc" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherOperatingActivitiesCashFlowStatement_753cf37a-3863-4467-ae76-849cea13d01a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OtherOperatingActivitiesCashFlowStatement"/>
    <link:calculationArc order="12" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_e5216952-78e1-46aa-953c-ff01bc776a0e" xlink:to="loc_us-gaap_OtherOperatingActivitiesCashFlowStatement_753cf37a-3863-4467-ae76-849cea13d01a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInOperatingLeaseLiability_a8096569-68d7-4633-ba6c-d73fe8e29b4d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncreaseDecreaseInOperatingLeaseLiability"/>
    <link:calculationArc order="13" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_e5216952-78e1-46aa-953c-ff01bc776a0e" xlink:to="loc_us-gaap_IncreaseDecreaseInOperatingLeaseLiability_a8096569-68d7-4633-ba6c-d73fe8e29b4d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInEmployeeRelatedLiabilities_74aa2f77-4889-412a-9b5b-0c4e8428c0dc" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncreaseDecreaseInEmployeeRelatedLiabilities"/>
    <link:calculationArc order="14" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_e5216952-78e1-46aa-953c-ff01bc776a0e" xlink:to="loc_us-gaap_IncreaseDecreaseInEmployeeRelatedLiabilities_74aa2f77-4889-412a-9b5b-0c4e8428c0dc" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensation_2a639f04-b3b5-4d4d-bc02-626d191de705" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensation"/>
    <link:calculationArc order="15" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_e5216952-78e1-46aa-953c-ff01bc776a0e" xlink:to="loc_us-gaap_ShareBasedCompensation_2a639f04-b3b5-4d4d-bc02-626d191de705" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInInventories_ca85498b-1fb9-44d1-aa85-52d022960888" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncreaseDecreaseInInventories"/>
    <link:calculationArc order="16" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_e5216952-78e1-46aa-953c-ff01bc776a0e" xlink:to="loc_us-gaap_IncreaseDecreaseInInventories_ca85498b-1fb9-44d1-aa85-52d022960888" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ResearchAndDevelopmentAssetAcquiredOtherThanThroughBusinessCombinationWrittenOff_e48fa968-eb76-406d-a195-381330631181" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ResearchAndDevelopmentAssetAcquiredOtherThanThroughBusinessCombinationWrittenOff"/>
    <link:calculationArc order="17" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_e5216952-78e1-46aa-953c-ff01bc776a0e" xlink:to="loc_us-gaap_ResearchAndDevelopmentAssetAcquiredOtherThanThroughBusinessCombinationWrittenOff_e48fa968-eb76-406d-a195-381330631181" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_tndm_OperatingLeaseImpairmentAndTerminationLoss_d3a4aa5e-46e2-4f82-ba04-562c06b572a0" xlink:href="tndm-20231231.xsd#tndm_OperatingLeaseImpairmentAndTerminationLoss"/>
    <link:calculationArc order="18" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_e5216952-78e1-46aa-953c-ff01bc776a0e" xlink:to="loc_tndm_OperatingLeaseImpairmentAndTerminationLoss_d3a4aa5e-46e2-4f82-ba04-562c06b572a0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInAccruedLiabilities_628a8384-542f-418c-ba59-f77bb51578f3" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncreaseDecreaseInAccruedLiabilities"/>
    <link:calculationArc order="19" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_e5216952-78e1-46aa-953c-ff01bc776a0e" xlink:to="loc_us-gaap_IncreaseDecreaseInAccruedLiabilities_628a8384-542f-418c-ba59-f77bb51578f3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_ec969320-c2ce-4dee-9de4-59ebea448b36" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfCommonStock_637be928-1821-4efc-b3d3-85374557cca1" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ProceedsFromIssuanceOfCommonStock"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_ec969320-c2ce-4dee-9de4-59ebea448b36" xlink:to="loc_us-gaap_ProceedsFromIssuanceOfCommonStock_637be928-1821-4efc-b3d3-85374557cca1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromWarrantExercises_ea7035aa-50d7-4bea-a998-2c585066131b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ProceedsFromWarrantExercises"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_ec969320-c2ce-4dee-9de4-59ebea448b36" xlink:to="loc_us-gaap_ProceedsFromWarrantExercises_ea7035aa-50d7-4bea-a998-2c585066131b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_b1696dea-44e7-40ce-8399-5f11239c449f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ProceedsFromPaymentsForOtherFinancingActivities"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_ec969320-c2ce-4dee-9de4-59ebea448b36" xlink:to="loc_us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_b1696dea-44e7-40ce-8399-5f11239c449f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_1b139c8c-4271-415c-904a-0708d0c797ae" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireInProcessResearchAndDevelopment_da54892d-1ea3-422a-9fdd-18eb700b7f7f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PaymentsToAcquireInProcessResearchAndDevelopment"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_1b139c8c-4271-415c-904a-0708d0c797ae" xlink:to="loc_us-gaap_PaymentsToAcquireInProcessResearchAndDevelopment_da54892d-1ea3-422a-9fdd-18eb700b7f7f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_tndm_PaymentsToAcquireIntangibleAssetsAndStrategicInvestments_83b6bf1b-03d6-4071-932d-4e8dba5e0ab2" xlink:href="tndm-20231231.xsd#tndm_PaymentsToAcquireIntangibleAssetsAndStrategicInvestments"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_1b139c8c-4271-415c-904a-0708d0c797ae" xlink:to="loc_tndm_PaymentsToAcquireIntangibleAssetsAndStrategicInvestments_83b6bf1b-03d6-4071-932d-4e8dba5e0ab2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_947a3ca1-fede-443d-97a1-b678ef04e722" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PaymentsToAcquirePropertyPlantAndEquipment"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_1b139c8c-4271-415c-904a-0708d0c797ae" xlink:to="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_947a3ca1-fede-443d-97a1-b678ef04e722" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireShortTermInvestments_c6aa7e94-1516-43d5-9817-b66b54ca9b9c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PaymentsToAcquireShortTermInvestments"/>
    <link:calculationArc order="4" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_1b139c8c-4271-415c-904a-0708d0c797ae" xlink:to="loc_us-gaap_PaymentsToAcquireShortTermInvestments_c6aa7e94-1516-43d5-9817-b66b54ca9b9c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromMaturitiesPrepaymentsAndCallsOfShorttermInvestments_9ea54967-4cfb-4637-bf84-d64348092cf6" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ProceedsFromMaturitiesPrepaymentsAndCallsOfShorttermInvestments"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_1b139c8c-4271-415c-904a-0708d0c797ae" xlink:to="loc_us-gaap_ProceedsFromMaturitiesPrepaymentsAndCallsOfShorttermInvestments_9ea54967-4cfb-4637-bf84-d64348092cf6" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_485d0acb-00fe-446a-a519-19b8a6ce7ead" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_0dfb4dfa-2739-4073-955a-0c18dcd5be3c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_485d0acb-00fe-446a-a519-19b8a6ce7ead" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_0dfb4dfa-2739-4073-955a-0c18dcd5be3c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_845fcdbb-afbc-46cf-b4ec-73e5e161e90a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_485d0acb-00fe-446a-a519-19b8a6ce7ead" xlink:to="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_845fcdbb-afbc-46cf-b4ec-73e5e161e90a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_d70a0957-a032-41a6-ba22-07ef4924e635" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_485d0acb-00fe-446a-a519-19b8a6ce7ead" xlink:to="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_d70a0957-a032-41a6-ba22-07ef4924e635" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_df81848c-be91-4947-8ac9-52b0cef695ff" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_485d0acb-00fe-446a-a519-19b8a6ce7ead" xlink:to="loc_us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_df81848c-be91-4947-8ac9-52b0cef695ff" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.tandemdiabetes.com/role/SummaryofSignificantAccountingPoliciesReconciliationofChangeinEstimatedWarrantyLiabilitiesDetails" xlink:type="simple" xlink:href="tndm-20231231.xsd#SummaryofSignificantAccountingPoliciesReconciliationofChangeinEstimatedWarrantyLiabilitiesDetails"/>
  <link:calculationLink xlink:role="http://www.tandemdiabetes.com/role/SummaryofSignificantAccountingPoliciesReconciliationofChangeinEstimatedWarrantyLiabilitiesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProductWarrantyAccrual_5908e8fa-149a-4bce-bc20-f77aec739459" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ProductWarrantyAccrual"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProductWarrantyAccrualNoncurrent_84a203e2-cd63-44c5-8816-4fda8292b900" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ProductWarrantyAccrualNoncurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ProductWarrantyAccrual_5908e8fa-149a-4bce-bc20-f77aec739459" xlink:to="loc_us-gaap_ProductWarrantyAccrualNoncurrent_84a203e2-cd63-44c5-8816-4fda8292b900" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProductWarrantyAccrualClassifiedCurrent_5f829873-c155-45cd-a140-3392779751fe" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ProductWarrantyAccrualClassifiedCurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ProductWarrantyAccrual_5908e8fa-149a-4bce-bc20-f77aec739459" xlink:to="loc_us-gaap_ProductWarrantyAccrualClassifiedCurrent_5f829873-c155-45cd-a140-3392779751fe" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.tandemdiabetes.com/role/SummaryofSignificantAccountingPoliciesNumeratorandDenominatoroftheBasicandDilutedNetIncomeLossPerShareComputationsDetails" xlink:type="simple" xlink:href="tndm-20231231.xsd#SummaryofSignificantAccountingPoliciesNumeratorandDenominatoroftheBasicandDilutedNetIncomeLossPerShareComputationsDetails"/>
  <link:calculationLink xlink:role="http://www.tandemdiabetes.com/role/SummaryofSignificantAccountingPoliciesNumeratorandDenominatoroftheBasicandDilutedNetIncomeLossPerShareComputationsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted_8d5921b2-2862-4f22-91d9-960851f99b1a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_43340aa5-d401-4647-8e3c-779154021753" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted_8d5921b2-2862-4f22-91d9-960851f99b1a" xlink:to="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_43340aa5-d401-4647-8e3c-779154021753" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_a5a20aee-468a-4572-807d-f26bf93fee32" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_7e5541c1-a648-49b9-9e2e-b8d5fbc61454" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_a5a20aee-468a-4572-807d-f26bf93fee32" xlink:to="loc_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_7e5541c1-a648-49b9-9e2e-b8d5fbc61454" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_8542068f-1f0d-4088-9c9f-77fda1a8af18" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_a5a20aee-468a-4572-807d-f26bf93fee32" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_8542068f-1f0d-4088-9c9f-77fda1a8af18" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncrementalCommonSharesAttributableToCallOptionsAndWarrants_4ca9dd1f-f7cc-4c80-ad25-ea562103dcd7" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncrementalCommonSharesAttributableToCallOptionsAndWarrants"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_a5a20aee-468a-4572-807d-f26bf93fee32" xlink:to="loc_us-gaap_IncrementalCommonSharesAttributableToCallOptionsAndWarrants_4ca9dd1f-f7cc-4c80-ad25-ea562103dcd7" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.tandemdiabetes.com/role/ShortTermInvestmentsEstimatedFairValueofShortTermInvestmentsDetails" xlink:type="simple" xlink:href="tndm-20231231.xsd#ShortTermInvestmentsEstimatedFairValueofShortTermInvestmentsDetails"/>
  <link:calculationLink xlink:role="http://www.tandemdiabetes.com/role/ShortTermInvestmentsEstimatedFairValueofShortTermInvestmentsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis_3be33d84-9e60-4f12-8d9d-23d7cc34090e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesDebtSecurities_bd443228-be0b-4aee-a29c-3ef9ea051731" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AvailableForSaleSecuritiesDebtSecurities"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis_3be33d84-9e60-4f12-8d9d-23d7cc34090e" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesDebtSecurities_bd443228-be0b-4aee-a29c-3ef9ea051731" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax_382011ea-95dc-4021-88c1-e72d2146cca8" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis_3be33d84-9e60-4f12-8d9d-23d7cc34090e" xlink:to="loc_us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax_382011ea-95dc-4021-88c1-e72d2146cca8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax_8648529e-c9b1-4137-9eed-af6cce79dba9" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis_3be33d84-9e60-4f12-8d9d-23d7cc34090e" xlink:to="loc_us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax_8648529e-c9b1-4137-9eed-af6cce79dba9" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.tandemdiabetes.com/role/ShortTermInvestmentsContractualMaturitiesofAvailableForSaleDebtSecuritiesDetails" xlink:type="simple" xlink:href="tndm-20231231.xsd#ShortTermInvestmentsContractualMaturitiesofAvailableForSaleDebtSecuritiesDetails"/>
  <link:calculationLink xlink:role="http://www.tandemdiabetes.com/role/ShortTermInvestmentsContractualMaturitiesofAvailableForSaleDebtSecuritiesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDate_60444187-55e8-4465-912c-bc74e860c014" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDate"/>
    <link:loc xlink:type="locator" xlink:label="loc_tndm_DebtSecuritiesAvailableForSaleFairValueMaturityAllocatedAndSingleMaturityDateAfterYearOneThroughTwo_9f2ac7bb-071b-430c-b8b3-10b77a3c774c" xlink:href="tndm-20231231.xsd#tndm_DebtSecuritiesAvailableForSaleFairValueMaturityAllocatedAndSingleMaturityDateAfterYearOneThroughTwo"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDate_60444187-55e8-4465-912c-bc74e860c014" xlink:to="loc_tndm_DebtSecuritiesAvailableForSaleFairValueMaturityAllocatedAndSingleMaturityDateAfterYearOneThroughTwo_9f2ac7bb-071b-430c-b8b3-10b77a3c774c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue_8f6da222-678d-4b80-849c-c36f49647cab" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDate_60444187-55e8-4465-912c-bc74e860c014" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue_8f6da222-678d-4b80-849c-c36f49647cab" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_tndm_DebtSecuritiesAvailableForSaleFairValueMaturityAllocatedAndSingleMaturityDateAfterYearTwoThroughThree_6f689c5b-9670-421c-8d1d-6a6f959230ca" xlink:href="tndm-20231231.xsd#tndm_DebtSecuritiesAvailableForSaleFairValueMaturityAllocatedAndSingleMaturityDateAfterYearTwoThroughThree"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDate_60444187-55e8-4465-912c-bc74e860c014" xlink:to="loc_tndm_DebtSecuritiesAvailableForSaleFairValueMaturityAllocatedAndSingleMaturityDateAfterYearTwoThroughThree_6f689c5b-9670-421c-8d1d-6a6f959230ca" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.tandemdiabetes.com/role/CompositionofCertainFinancialStatementItemsAccountsReceivableDetails" xlink:type="simple" xlink:href="tndm-20231231.xsd#CompositionofCertainFinancialStatementItemsAccountsReceivableDetails"/>
  <link:calculationLink xlink:role="http://www.tandemdiabetes.com/role/CompositionofCertainFinancialStatementItemsAccountsReceivableDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsReceivableNet_aba189ce-00e7-4b85-952d-2a95286c12e0" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AccountsReceivableNet"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsReceivableGross_56ba447f-31f1-4a35-b3d3-8697e98cdecd" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AccountsReceivableGross"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccountsReceivableNet_aba189ce-00e7-4b85-952d-2a95286c12e0" xlink:to="loc_us-gaap_AccountsReceivableGross_56ba447f-31f1-4a35-b3d3-8697e98cdecd" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllowanceForDoubtfulAccountsReceivable_6c184255-6b37-418a-8c45-99f445a9c9ed" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AllowanceForDoubtfulAccountsReceivable"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccountsReceivableNet_aba189ce-00e7-4b85-952d-2a95286c12e0" xlink:to="loc_us-gaap_AllowanceForDoubtfulAccountsReceivable_6c184255-6b37-418a-8c45-99f445a9c9ed" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.tandemdiabetes.com/role/CompositionofCertainFinancialStatementItemsInventoryDetails" xlink:type="simple" xlink:href="tndm-20231231.xsd#CompositionofCertainFinancialStatementItemsInventoryDetails"/>
  <link:calculationLink xlink:role="http://www.tandemdiabetes.com/role/CompositionofCertainFinancialStatementItemsInventoryDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryNet_88053dcd-b9b8-49e5-ba82-61cfb7fc7f41" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_InventoryNet"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryWorkInProcess_1b08c9ad-4823-43a3-b347-e4d7cab0c7b5" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_InventoryWorkInProcess"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_InventoryNet_88053dcd-b9b8-49e5-ba82-61cfb7fc7f41" xlink:to="loc_us-gaap_InventoryWorkInProcess_1b08c9ad-4823-43a3-b347-e4d7cab0c7b5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryFinishedGoods_f10a7d17-a4c5-4807-9544-5674eb65b722" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_InventoryFinishedGoods"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_InventoryNet_88053dcd-b9b8-49e5-ba82-61cfb7fc7f41" xlink:to="loc_us-gaap_InventoryFinishedGoods_f10a7d17-a4c5-4807-9544-5674eb65b722" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryRawMaterials_5a05725e-d8be-4350-b096-1ad42b01f2bb" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_InventoryRawMaterials"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_InventoryNet_88053dcd-b9b8-49e5-ba82-61cfb7fc7f41" xlink:to="loc_us-gaap_InventoryRawMaterials_5a05725e-d8be-4350-b096-1ad42b01f2bb" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.tandemdiabetes.com/role/CompositionofCertainFinancialStatementItemsSummaryofPropertyandEquipmentDetail" xlink:type="simple" xlink:href="tndm-20231231.xsd#CompositionofCertainFinancialStatementItemsSummaryofPropertyandEquipmentDetail"/>
  <link:calculationLink xlink:role="http://www.tandemdiabetes.com/role/CompositionofCertainFinancialStatementItemsSummaryofPropertyandEquipmentDetail" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_b89a862b-ee9c-41b7-bb15-c37e6cab5fac" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PropertyPlantAndEquipmentNet"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentGross_80f6ffe8-0340-488a-958d-d27e790ecc5f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PropertyPlantAndEquipmentGross"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentNet_b89a862b-ee9c-41b7-bb15-c37e6cab5fac" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentGross_80f6ffe8-0340-488a-958d-d27e790ecc5f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_060a9b02-d63e-464f-87a3-dc766f4a8474" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentNet_b89a862b-ee9c-41b7-bb15-c37e6cab5fac" xlink:to="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_060a9b02-d63e-464f-87a3-dc766f4a8474" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.tandemdiabetes.com/role/CompositionofCertainFinancialStatementItemsIntangibleAssetsSubjecttoAmortizationDetails" xlink:type="simple" xlink:href="tndm-20231231.xsd#CompositionofCertainFinancialStatementItemsIntangibleAssetsSubjecttoAmortizationDetails"/>
  <link:calculationLink xlink:role="http://www.tandemdiabetes.com/role/CompositionofCertainFinancialStatementItemsIntangibleAssetsSubjecttoAmortizationDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsNet_1a7e9442-f336-4a1f-ab1b-3dc83721fc65" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FiniteLivedIntangibleAssetsNet"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsGross_1fd472d4-2827-4334-8d3b-caa3044fbdcb" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FiniteLivedIntangibleAssetsGross"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_1a7e9442-f336-4a1f-ab1b-3dc83721fc65" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsGross_1fd472d4-2827-4334-8d3b-caa3044fbdcb" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_99050ef1-0e13-4f77-9971-3a2ae0132939" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_1a7e9442-f336-4a1f-ab1b-3dc83721fc65" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_99050ef1-0e13-4f77-9971-3a2ae0132939" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.tandemdiabetes.com/role/FairValueMeasurementsFinancialAssetsandLiabilitiesMeasuredatFairValueonRecurringBasisDetails" xlink:type="simple" xlink:href="tndm-20231231.xsd#FairValueMeasurementsFinancialAssetsandLiabilitiesMeasuredatFairValueonRecurringBasisDetails"/>
  <link:calculationLink xlink:role="http://www.tandemdiabetes.com/role/FairValueMeasurementsFinancialAssetsandLiabilitiesMeasuredatFairValueonRecurringBasisDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsFairValueDisclosure_0ea07d78-86b6-48c7-9f58-75905434b432" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AssetsFairValueDisclosure"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesDebtSecurities_4ddd328d-2d96-4163-ae92-f894be50aa7c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AvailableForSaleSecuritiesDebtSecurities"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsFairValueDisclosure_0ea07d78-86b6-48c7-9f58-75905434b432" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesDebtSecurities_4ddd328d-2d96-4163-ae92-f894be50aa7c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsFairValueDisclosure_48cf1e05-7515-4cc3-bd08-102d3e8165a5" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CashAndCashEquivalentsFairValueDisclosure"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsFairValueDisclosure_0ea07d78-86b6-48c7-9f58-75905434b432" xlink:to="loc_us-gaap_CashAndCashEquivalentsFairValueDisclosure_48cf1e05-7515-4cc3-bd08-102d3e8165a5" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.tandemdiabetes.com/role/LeasesAdditionalInformationDetails" xlink:type="simple" xlink:href="tndm-20231231.xsd#LeasesAdditionalInformationDetails"/>
  <link:calculationLink xlink:role="http://www.tandemdiabetes.com/role/LeasesAdditionalInformationDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_tndm_LesseeOperatingLeaseTerminationAndImpairmentCharge_59cba897-b00c-4548-b446-16cf7f7f72b8" xlink:href="tndm-20231231.xsd#tndm_LesseeOperatingLeaseTerminationAndImpairmentCharge"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainLossOnDispositionOfAssets1_759fa941-b95a-4f0f-ba39-a9415041bea6" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_GainLossOnDispositionOfAssets1"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_tndm_LesseeOperatingLeaseTerminationAndImpairmentCharge_59cba897-b00c-4548-b446-16cf7f7f72b8" xlink:to="loc_us-gaap_GainLossOnDispositionOfAssets1_759fa941-b95a-4f0f-ba39-a9415041bea6" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainLossOnTerminationOfLease_6532b628-fccc-4c86-9bbb-d6419253c106" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_GainLossOnTerminationOfLease"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_tndm_LesseeOperatingLeaseTerminationAndImpairmentCharge_59cba897-b00c-4548-b446-16cf7f7f72b8" xlink:to="loc_us-gaap_GainLossOnTerminationOfLease_6532b628-fccc-4c86-9bbb-d6419253c106" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseImpairmentLoss_c36da022-2f37-458f-8cda-0cc8bb5b0a25" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OperatingLeaseImpairmentLoss"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_tndm_LesseeOperatingLeaseTerminationAndImpairmentCharge_59cba897-b00c-4548-b446-16cf7f7f72b8" xlink:to="loc_us-gaap_OperatingLeaseImpairmentLoss_c36da022-2f37-458f-8cda-0cc8bb5b0a25" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetImpairmentCharges_d189e6f1-dbaf-4820-86c5-ffd14f684fe4" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AssetImpairmentCharges"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseImpairmentLoss_dbdb1e3b-b096-40bc-8ce7-3e5391d354de" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OperatingLeaseImpairmentLoss"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetImpairmentCharges_d189e6f1-dbaf-4820-86c5-ffd14f684fe4" xlink:to="loc_us-gaap_OperatingLeaseImpairmentLoss_dbdb1e3b-b096-40bc-8ce7-3e5391d354de" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ImpairmentOfLeasehold_be8b3f2f-758b-4d31-a246-3f9d827d3219" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ImpairmentOfLeasehold"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetImpairmentCharges_d189e6f1-dbaf-4820-86c5-ffd14f684fe4" xlink:to="loc_us-gaap_ImpairmentOfLeasehold_be8b3f2f-758b-4d31-a246-3f9d827d3219" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.tandemdiabetes.com/role/LeasesLeaseCostLeaseTermDiscountRateOperatingLeasesDetails" xlink:type="simple" xlink:href="tndm-20231231.xsd#LeasesLeaseCostLeaseTermDiscountRateOperatingLeasesDetails"/>
  <link:calculationLink xlink:role="http://www.tandemdiabetes.com/role/LeasesLeaseCostLeaseTermDiscountRateOperatingLeasesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LeaseCost_5a5e59c1-49fc-48a5-b82a-08c92ac3a2b8" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LeaseCost"/>
    <link:loc xlink:type="locator" xlink:label="loc_tndm_GainLossOnTerminationOfLeaseAndOperatingLeaseImpairmentLoss_0260d974-cdfc-4c8a-b0fc-fead9cf8ab34" xlink:href="tndm-20231231.xsd#tndm_GainLossOnTerminationOfLeaseAndOperatingLeaseImpairmentLoss"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LeaseCost_5a5e59c1-49fc-48a5-b82a-08c92ac3a2b8" xlink:to="loc_tndm_GainLossOnTerminationOfLeaseAndOperatingLeaseImpairmentLoss_0260d974-cdfc-4c8a-b0fc-fead9cf8ab34" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShortTermLeaseCost_22c97c43-eb2a-4ca2-9bac-b52a0ca03420" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShortTermLeaseCost"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LeaseCost_5a5e59c1-49fc-48a5-b82a-08c92ac3a2b8" xlink:to="loc_us-gaap_ShortTermLeaseCost_22c97c43-eb2a-4ca2-9bac-b52a0ca03420" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseCost_d786b68d-f909-442b-9364-49848f1b282b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OperatingLeaseCost"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LeaseCost_5a5e59c1-49fc-48a5-b82a-08c92ac3a2b8" xlink:to="loc_us-gaap_OperatingLeaseCost_d786b68d-f909-442b-9364-49848f1b282b" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.tandemdiabetes.com/role/LeasesFutureMinimumPaymentsUnderNoncancellableOperatingLeasesDetails" xlink:type="simple" xlink:href="tndm-20231231.xsd#LeasesFutureMinimumPaymentsUnderNoncancellableOperatingLeasesDetails"/>
  <link:calculationLink xlink:role="http://www.tandemdiabetes.com/role/LeasesFutureMinimumPaymentsUnderNoncancellableOperatingLeasesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_6bc48762-2511-494d-8a66-2fd9f96e428b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiability_d25e7ce0-83f2-4e97-b412-57f4307b0a08" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OperatingLeaseLiability"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_6bc48762-2511-494d-8a66-2fd9f96e428b" xlink:to="loc_us-gaap_OperatingLeaseLiability_d25e7ce0-83f2-4e97-b412-57f4307b0a08" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount_df9fb5c3-00fb-42a9-b03a-32bca6980b0b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_6bc48762-2511-494d-8a66-2fd9f96e428b" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount_df9fb5c3-00fb-42a9-b03a-32bca6980b0b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiability_1836650f-38c2-4ba2-95e2-1188ce629959" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OperatingLeaseLiability"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_af09e280-0cd7-4b0b-8dc5-f130a2f641ba" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OperatingLeaseLiabilityNoncurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingLeaseLiability_1836650f-38c2-4ba2-95e2-1188ce629959" xlink:to="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_af09e280-0cd7-4b0b-8dc5-f130a2f641ba" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiabilityCurrent_340fa6da-bb32-4f37-8512-4112d07bd123" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OperatingLeaseLiabilityCurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingLeaseLiability_1836650f-38c2-4ba2-95e2-1188ce629959" xlink:to="loc_us-gaap_OperatingLeaseLiabilityCurrent_340fa6da-bb32-4f37-8512-4112d07bd123" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.tandemdiabetes.com/role/LeasesFutureMinimumPaymentsUnderNoncancellableOperatingLeasesDetails_1" xlink:type="simple" xlink:href="tndm-20231231.xsd#LeasesFutureMinimumPaymentsUnderNoncancellableOperatingLeasesDetails_1"/>
  <link:calculationLink xlink:role="http://www.tandemdiabetes.com/role/LeasesFutureMinimumPaymentsUnderNoncancellableOperatingLeasesDetails_1" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_49c801a5-333c-470d-924e-8d0e2a2c57ff" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive_edd933bf-1891-4757-9d79-afc104b00419" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_49c801a5-333c-470d-924e-8d0e2a2c57ff" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive_edd933bf-1891-4757-9d79-afc104b00419" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_72b5d99b-4b8b-4e0b-b968-4b517adba325" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_49c801a5-333c-470d-924e-8d0e2a2c57ff" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_72b5d99b-4b8b-4e0b-b968-4b517adba325" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_ec3044e3-4951-4358-a1f1-3917025a07b5" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_49c801a5-333c-470d-924e-8d0e2a2c57ff" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_ec3044e3-4951-4358-a1f1-3917025a07b5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive_ecf2b8cc-e1ea-4e6d-9abd-593765b70d16" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_49c801a5-333c-470d-924e-8d0e2a2c57ff" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive_ecf2b8cc-e1ea-4e6d-9abd-593765b70d16" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour_22bd396f-d3c8-4701-8160-d526e5fb4253" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_49c801a5-333c-470d-924e-8d0e2a2c57ff" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour_22bd396f-d3c8-4701-8160-d526e5fb4253" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths_b47ff045-b357-41e9-95b4-abd6c04e98c0" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_49c801a5-333c-470d-924e-8d0e2a2c57ff" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths_b47ff045-b357-41e9-95b4-abd6c04e98c0" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.tandemdiabetes.com/role/LeasesLeasePaymentsDetails" xlink:type="simple" xlink:href="tndm-20231231.xsd#LeasesLeasePaymentsDetails"/>
  <link:calculationLink xlink:role="http://www.tandemdiabetes.com/role/LeasesLeasePaymentsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_tndm_OperatingLeaseCashPayments_051cbfbc-08b3-4fe8-abcd-bfdd9540af61" xlink:href="tndm-20231231.xsd#tndm_OperatingLeaseCashPayments"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeasePayments_2a7ec1d2-e82b-4f59-a250-8d7c81497132" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OperatingLeasePayments"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_tndm_OperatingLeaseCashPayments_051cbfbc-08b3-4fe8-abcd-bfdd9540af61" xlink:to="loc_us-gaap_OperatingLeasePayments_2a7ec1d2-e82b-4f59-a250-8d7c81497132" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_tndm_OperatingLeaseTerminationPayments_64eccabb-6bf2-40fc-a5e8-668c688e34b5" xlink:href="tndm-20231231.xsd#tndm_OperatingLeaseTerminationPayments"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_tndm_OperatingLeaseCashPayments_051cbfbc-08b3-4fe8-abcd-bfdd9540af61" xlink:to="loc_tndm_OperatingLeaseTerminationPayments_64eccabb-6bf2-40fc-a5e8-668c688e34b5" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.tandemdiabetes.com/role/DebtComponentsofConvertibleNoteDetails" xlink:type="simple" xlink:href="tndm-20231231.xsd#DebtComponentsofConvertibleNoteDetails"/>
  <link:calculationLink xlink:role="http://www.tandemdiabetes.com/role/DebtComponentsofConvertibleNoteDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebt_36d2ea91-a223-42a6-8070-fd84ef8875da" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LongTermDebt"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentFaceAmount_419a30ac-e814-4c31-972c-39c5fb92a11e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentFaceAmount"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebt_36d2ea91-a223-42a6-8070-fd84ef8875da" xlink:to="loc_us-gaap_DebtInstrumentFaceAmount_419a30ac-e814-4c31-972c-39c5fb92a11e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredFinanceCostsNet_407053d5-c142-4cf4-9c32-d6c01be8ae46" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DeferredFinanceCostsNet"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebt_36d2ea91-a223-42a6-8070-fd84ef8875da" xlink:to="loc_us-gaap_DeferredFinanceCostsNet_407053d5-c142-4cf4-9c32-d6c01be8ae46" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.tandemdiabetes.com/role/DebtInterestExpenseRecognizedDetails" xlink:type="simple" xlink:href="tndm-20231231.xsd#DebtInterestExpenseRecognizedDetails"/>
  <link:calculationLink xlink:role="http://www.tandemdiabetes.com/role/DebtInterestExpenseRecognizedDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestExpenseDebt_4c42a2e9-39e1-466e-ac8a-bede16624d73" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_InterestExpenseDebt"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AmortizationOfFinancingCosts_8f462769-d8c1-452c-822b-2efb3a599c5c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AmortizationOfFinancingCosts"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_InterestExpenseDebt_4c42a2e9-39e1-466e-ac8a-bede16624d73" xlink:to="loc_us-gaap_AmortizationOfFinancingCosts_8f462769-d8c1-452c-822b-2efb3a599c5c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestExpenseDebtExcludingAmortization_c9414dff-6200-4b8d-b85f-1a20bec93788" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_InterestExpenseDebtExcludingAmortization"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_InterestExpenseDebt_4c42a2e9-39e1-466e-ac8a-bede16624d73" xlink:to="loc_us-gaap_InterestExpenseDebtExcludingAmortization_c9414dff-6200-4b8d-b85f-1a20bec93788" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.tandemdiabetes.com/role/IncomeTaxesIncomeLossBeforeProvisionforIncomeTaxesDetails" xlink:type="simple" xlink:href="tndm-20231231.xsd#IncomeTaxesIncomeLossBeforeProvisionforIncomeTaxesDetails"/>
  <link:calculationLink xlink:role="http://www.tandemdiabetes.com/role/IncomeTaxesIncomeLossBeforeProvisionforIncomeTaxesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_f385db1f-5e52-4603-84e1-8983d66d1399" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign_e84882a5-0d6e-454b-8d91-0a5122329a6e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_f385db1f-5e52-4603-84e1-8983d66d1399" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign_e84882a5-0d6e-454b-8d91-0a5122329a6e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic_0051cc37-253e-4dac-a3d3-e161e7886022" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_f385db1f-5e52-4603-84e1-8983d66d1399" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic_0051cc37-253e-4dac-a3d3-e161e7886022" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.tandemdiabetes.com/role/IncomeTaxesScheduleofComponentsofIncomeTaxDetails" xlink:type="simple" xlink:href="tndm-20231231.xsd#IncomeTaxesScheduleofComponentsofIncomeTaxDetails"/>
  <link:calculationLink xlink:role="http://www.tandemdiabetes.com/role/IncomeTaxesScheduleofComponentsofIncomeTaxDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_6d3182d0-8eb5-4ed8-9cd3-404be7c04853" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DeferredIncomeTaxExpenseBenefit"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredFederalIncomeTaxExpenseBenefit_9276dfaf-dcb8-4091-a53f-ac3628d246df" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DeferredFederalIncomeTaxExpenseBenefit"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_6d3182d0-8eb5-4ed8-9cd3-404be7c04853" xlink:to="loc_us-gaap_DeferredFederalIncomeTaxExpenseBenefit_9276dfaf-dcb8-4091-a53f-ac3628d246df" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit_2e99c1ae-45d9-49ca-8678-e38aa08b21f4" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_6d3182d0-8eb5-4ed8-9cd3-404be7c04853" xlink:to="loc_us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit_2e99c1ae-45d9-49ca-8678-e38aa08b21f4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredForeignIncomeTaxExpenseBenefit_ede09838-c6ac-4252-b0de-61a03ce0ab9d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DeferredForeignIncomeTaxExpenseBenefit"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_6d3182d0-8eb5-4ed8-9cd3-404be7c04853" xlink:to="loc_us-gaap_DeferredForeignIncomeTaxExpenseBenefit_ede09838-c6ac-4252-b0de-61a03ce0ab9d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CurrentIncomeTaxExpenseBenefit_5700268b-049a-4001-8f97-fcf7a06bbae0" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CurrentIncomeTaxExpenseBenefit"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CurrentFederalTaxExpenseBenefit_5316a2c1-c194-4ce8-88ea-0fe21dcb5bce" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CurrentFederalTaxExpenseBenefit"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CurrentIncomeTaxExpenseBenefit_5700268b-049a-4001-8f97-fcf7a06bbae0" xlink:to="loc_us-gaap_CurrentFederalTaxExpenseBenefit_5316a2c1-c194-4ce8-88ea-0fe21dcb5bce" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CurrentStateAndLocalTaxExpenseBenefit_fdfdb82f-2a65-44ff-9e77-c5d9802472e3" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CurrentStateAndLocalTaxExpenseBenefit"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CurrentIncomeTaxExpenseBenefit_5700268b-049a-4001-8f97-fcf7a06bbae0" xlink:to="loc_us-gaap_CurrentStateAndLocalTaxExpenseBenefit_fdfdb82f-2a65-44ff-9e77-c5d9802472e3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CurrentForeignTaxExpenseBenefit_0919cda3-2751-4de0-a167-dedca7ad7c69" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CurrentForeignTaxExpenseBenefit"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CurrentIncomeTaxExpenseBenefit_5700268b-049a-4001-8f97-fcf7a06bbae0" xlink:to="loc_us-gaap_CurrentForeignTaxExpenseBenefit_0919cda3-2751-4de0-a167-dedca7ad7c69" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.tandemdiabetes.com/role/IncomeTaxesIncomeTaxExpenseDetails" xlink:type="simple" xlink:href="tndm-20231231.xsd#IncomeTaxesIncomeTaxExpenseDetails"/>
  <link:calculationLink xlink:role="http://www.tandemdiabetes.com/role/IncomeTaxesIncomeTaxExpenseDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_fa05587c-c566-4635-91de-7796c3e343be" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncomeTaxExpenseBenefit"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance_040661c9-7dad-46fa-af7a-ecbdad390dec" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_fa05587c-c566-4635-91de-7796c3e343be" xlink:to="loc_us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance_040661c9-7dad-46fa-af7a-ecbdad390dec" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxReconciliationTaxCreditsResearch_921d173f-fb19-468e-8e71-d354619d1abf" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncomeTaxReconciliationTaxCreditsResearch"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_fa05587c-c566-4635-91de-7796c3e343be" xlink:to="loc_us-gaap_IncomeTaxReconciliationTaxCreditsResearch_921d173f-fb19-468e-8e71-d354619d1abf" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes_8eed1a88-9c31-41e0-9fad-4f34baf96388" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_fa05587c-c566-4635-91de-7796c3e343be" xlink:to="loc_us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes_8eed1a88-9c31-41e0-9fad-4f34baf96388" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxReconciliationOtherAdjustments_2b02b7c0-f5f8-4af7-9216-09aea0d11116" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncomeTaxReconciliationOtherAdjustments"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_fa05587c-c566-4635-91de-7796c3e343be" xlink:to="loc_us-gaap_IncomeTaxReconciliationOtherAdjustments_2b02b7c0-f5f8-4af7-9216-09aea0d11116" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate_e2f22288-33ba-42ca-8f73-108e457ff3f6" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_fa05587c-c566-4635-91de-7796c3e343be" xlink:to="loc_us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate_e2f22288-33ba-42ca-8f73-108e457ff3f6" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost_e74631d8-a0e0-4617-b589-68387a310330" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_fa05587c-c566-4635-91de-7796c3e343be" xlink:to="loc_us-gaap_IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost_e74631d8-a0e0-4617-b589-68387a310330" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_tndm_IncomeTaxReconciliationWarrantsRevaluation_9aee2ec1-f826-4674-94d7-fa75d3300e97" xlink:href="tndm-20231231.xsd#tndm_IncomeTaxReconciliationWarrantsRevaluation"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_fa05587c-c566-4635-91de-7796c3e343be" xlink:to="loc_tndm_IncomeTaxReconciliationWarrantsRevaluation_9aee2ec1-f826-4674-94d7-fa75d3300e97" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_tndm_EffectiveIncomeTaxRateReconciliationNetOperatingLossCarryforward_3b2fc959-0cfb-4e7f-b321-d35c3bfea4eb" xlink:href="tndm-20231231.xsd#tndm_EffectiveIncomeTaxRateReconciliationNetOperatingLossCarryforward"/>
    <link:calculationArc order="8" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_fa05587c-c566-4635-91de-7796c3e343be" xlink:to="loc_tndm_EffectiveIncomeTaxRateReconciliationNetOperatingLossCarryforward_3b2fc959-0cfb-4e7f-b321-d35c3bfea4eb" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_tndm_EffectiveIncomeTaxRateReconciliationOfficersCompensation_ca1b9f2d-42be-4770-a6fe-8cd6e51abaa3" xlink:href="tndm-20231231.xsd#tndm_EffectiveIncomeTaxRateReconciliationOfficersCompensation"/>
    <link:calculationArc order="9" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_fa05587c-c566-4635-91de-7796c3e343be" xlink:to="loc_tndm_EffectiveIncomeTaxRateReconciliationOfficersCompensation_ca1b9f2d-42be-4770-a6fe-8cd6e51abaa3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxReconciliationNondeductibleExpenseResearchAndDevelopment_9f8c8c04-88d8-41e9-8bab-16a83eac584f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncomeTaxReconciliationNondeductibleExpenseResearchAndDevelopment"/>
    <link:calculationArc order="10" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_fa05587c-c566-4635-91de-7796c3e343be" xlink:to="loc_us-gaap_IncomeTaxReconciliationNondeductibleExpenseResearchAndDevelopment_9f8c8c04-88d8-41e9-8bab-16a83eac584f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_tndm_EffectiveIncomeTaxRateReconciliationDeferredTaxAssetsAcquired_94bda7da-f0d4-4c34-a9af-a8dc7874b9ad" xlink:href="tndm-20231231.xsd#tndm_EffectiveIncomeTaxRateReconciliationDeferredTaxAssetsAcquired"/>
    <link:calculationArc order="11" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_fa05587c-c566-4635-91de-7796c3e343be" xlink:to="loc_tndm_EffectiveIncomeTaxRateReconciliationDeferredTaxAssetsAcquired_94bda7da-f0d4-4c34-a9af-a8dc7874b9ad" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.tandemdiabetes.com/role/IncomeTaxesScheduleofDeferredTaxAssetsandLiabilitiesDetails" xlink:type="simple" xlink:href="tndm-20231231.xsd#IncomeTaxesScheduleofDeferredTaxAssetsandLiabilitiesDetails"/>
  <link:calculationLink xlink:role="http://www.tandemdiabetes.com/role/IncomeTaxesScheduleofDeferredTaxAssetsandLiabilitiesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsGross_2a742bc7-0322-433b-b6af-e928a14275a0" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DeferredTaxAssetsGross"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsOperatingLossCarryforwards_eb0f3579-bfb7-4326-8fab-6956b800b215" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DeferredTaxAssetsOperatingLossCarryforwards"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_2a742bc7-0322-433b-b6af-e928a14275a0" xlink:to="loc_us-gaap_DeferredTaxAssetsOperatingLossCarryforwards_eb0f3579-bfb7-4326-8fab-6956b800b215" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsResearch_5ff78814-89e2-4c62-84c5-72fb36df8dfd" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsResearch"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_2a742bc7-0322-433b-b6af-e928a14275a0" xlink:to="loc_us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsResearch_5ff78814-89e2-4c62-84c5-72fb36df8dfd" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsInProcessResearchAndDevelopment_21ac30ff-0c9e-40f0-b88c-3fb66b7fd72c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DeferredTaxAssetsInProcessResearchAndDevelopment"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_2a742bc7-0322-433b-b6af-e928a14275a0" xlink:to="loc_us-gaap_DeferredTaxAssetsInProcessResearchAndDevelopment_21ac30ff-0c9e-40f0-b88c-3fb66b7fd72c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation_a4365826-471e-4186-8932-b42c144d8d5e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_2a742bc7-0322-433b-b6af-e928a14275a0" xlink:to="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation_a4365826-471e-4186-8932-b42c144d8d5e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_tndm_DeferredTaxAssetsLeaseLiabilities_31416126-5703-4b9c-ac76-e5b9b1296432" xlink:href="tndm-20231231.xsd#tndm_DeferredTaxAssetsLeaseLiabilities"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_2a742bc7-0322-433b-b6af-e928a14275a0" xlink:to="loc_tndm_DeferredTaxAssetsLeaseLiabilities_31416126-5703-4b9c-ac76-e5b9b1296432" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsOther_f8d404c9-eed8-4231-9060-bd970beb7c10" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DeferredTaxAssetsOther"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_2a742bc7-0322-433b-b6af-e928a14275a0" xlink:to="loc_us-gaap_DeferredTaxAssetsOther_f8d404c9-eed8-4231-9060-bd970beb7c10" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsLiabilitiesNet_d5534a4c-0aa8-4f2e-a329-4bf18caad240" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DeferredTaxAssetsLiabilitiesNet"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsValuationAllowance_68184738-d90a-4aeb-a6a0-936bf2df45b4" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DeferredTaxAssetsValuationAllowance"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsLiabilitiesNet_d5534a4c-0aa8-4f2e-a329-4bf18caad240" xlink:to="loc_us-gaap_DeferredTaxAssetsValuationAllowance_68184738-d90a-4aeb-a6a0-936bf2df45b4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxLiabilities_ab39470a-4eed-4b36-9be5-994c65dd5a77" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DeferredIncomeTaxLiabilities"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsLiabilitiesNet_d5534a4c-0aa8-4f2e-a329-4bf18caad240" xlink:to="loc_us-gaap_DeferredIncomeTaxLiabilities_ab39470a-4eed-4b36-9be5-994c65dd5a77" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsGross_7a4eb36a-8707-425f-9330-3f880f1d6615" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DeferredTaxAssetsGross"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsLiabilitiesNet_d5534a4c-0aa8-4f2e-a329-4bf18caad240" xlink:to="loc_us-gaap_DeferredTaxAssetsGross_7a4eb36a-8707-425f-9330-3f880f1d6615" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxLiabilities_067a0d37-22b0-4ee7-b1e0-54e0ac3c870e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DeferredIncomeTaxLiabilities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment_9b42bb44-42c5-4e22-8c8c-583433360a5c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredIncomeTaxLiabilities_067a0d37-22b0-4ee7-b1e0-54e0ac3c870e" xlink:to="loc_us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment_9b42bb44-42c5-4e22-8c8c-583433360a5c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxLiabilitiesOther_40c328c5-1fa8-4b73-aba5-0d77b7b0aa13" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DeferredTaxLiabilitiesOther"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredIncomeTaxLiabilities_067a0d37-22b0-4ee7-b1e0-54e0ac3c870e" xlink:to="loc_us-gaap_DeferredTaxLiabilitiesOther_40c328c5-1fa8-4b73-aba5-0d77b7b0aa13" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxLiabilitiesLeasingArrangements_3038bbb0-fdec-4a63-a906-87689d777eeb" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DeferredTaxLiabilitiesLeasingArrangements"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredIncomeTaxLiabilities_067a0d37-22b0-4ee7-b1e0-54e0ac3c870e" xlink:to="loc_us-gaap_DeferredTaxLiabilitiesLeasingArrangements_3038bbb0-fdec-4a63-a906-87689d777eeb" xlink:type="arc"/>
  </link:calculationLink>
</link:linkbase>
