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

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2026 Workiva-->
<!--r:01a0440e-1c90-78dc-822c-6c480abda5db,g:60542770-5c22-4496-8e10-f4c0f93a603a-->
<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:arcroleRef arcroleURI="https://xbrl.org/2023/arcrole/summation-item" xlink:type="simple" xlink:href="https://www.xbrl.org/2023/calculation-1.1.xsd#summation-item"/>
  <link:roleRef roleURI="http://www.sellaslife.com/role/CONSOLIDATEDBALANCESHEETS" xlink:type="simple" xlink:href="sls-20260930.xsd#CONSOLIDATEDBALANCESHEETS"/>
  <link:calculationLink xlink:role="http://www.sellaslife.com/role/CONSOLIDATEDBALANCESHEETS" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Assets_01a0440e-1c91-7e72-be99-0330307c62b0" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_Assets"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DepositsAssetsNoncurrent_01a0440e-1c91-7268-b430-d1764e289c59" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DepositsAssetsNoncurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_01a0440e-1c91-7e72-be99-0330307c62b0" xlink:to="loc_us-gaap_DepositsAssetsNoncurrent_01a0440e-1c91-7268-b430-d1764e289c59" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsCurrent_01a0440e-1c91-7663-beb2-d13c91cb1922" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AssetsCurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_01a0440e-1c91-7e72-be99-0330307c62b0" xlink:to="loc_us-gaap_AssetsCurrent_01a0440e-1c91-7663-beb2-d13c91cb1922" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Goodwill_01a0440e-1c91-73fa-bc84-87cd3b137499" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_Goodwill"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_01a0440e-1c91-7e72-be99-0330307c62b0" xlink:to="loc_us-gaap_Goodwill_01a0440e-1c91-73fa-bc84-87cd3b137499" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseRightOfUseAsset_01a0440e-1c91-768b-889b-a4896841b4dc" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OperatingLeaseRightOfUseAsset"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_01a0440e-1c91-7e72-be99-0330307c62b0" xlink:to="loc_us-gaap_OperatingLeaseRightOfUseAsset_01a0440e-1c91-768b-889b-a4896841b4dc" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsCurrent_01a0440e-1c91-7108-9dca-1d4e6eda67dd" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AssetsCurrent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue_01a0440e-1c91-7cac-83bf-229741e3895e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_01a0440e-1c91-7108-9dca-1d4e6eda67dd" xlink:to="loc_us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue_01a0440e-1c91-7cac-83bf-229741e3895e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_01a0440e-1c91-7dfa-9783-5dffb6326d20" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PrepaidExpenseAndOtherAssetsCurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_01a0440e-1c91-7108-9dca-1d4e6eda67dd" xlink:to="loc_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_01a0440e-1c91-7dfa-9783-5dffb6326d20" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_01a0440e-1c91-7fb7-87c3-a563568075e0" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_01a0440e-1c91-7108-9dca-1d4e6eda67dd" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_01a0440e-1c91-7fb7-87c3-a563568075e0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquity_01a0440e-1c91-7356-959c-203095862d1d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LiabilitiesAndStockholdersEquity"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Liabilities_01a0440e-1c91-7bd4-a7ed-7de3b51e4a29" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_Liabilities"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_01a0440e-1c91-7356-959c-203095862d1d" xlink:to="loc_us-gaap_Liabilities_01a0440e-1c91-7bd4-a7ed-7de3b51e4a29" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommitmentsAndContingencies_01a0440e-1c91-7620-983c-118e7dd7e7dc" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CommitmentsAndContingencies"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_01a0440e-1c91-7356-959c-203095862d1d" xlink:to="loc_us-gaap_CommitmentsAndContingencies_01a0440e-1c91-7620-983c-118e7dd7e7dc" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_01a0440e-1c91-7e61-89cc-da23b34a3bc8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockholdersEquity"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_01a0440e-1c91-7356-959c-203095862d1d" xlink:to="loc_us-gaap_StockholdersEquity_01a0440e-1c91-7e61-89cc-da23b34a3bc8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Liabilities_01a0440e-1c91-78a6-879f-44afe3299308" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_Liabilities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_01a0440e-1c91-775d-90cd-924996a83c77" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OperatingLeaseLiabilityNoncurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_01a0440e-1c91-78a6-879f-44afe3299308" xlink:to="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_01a0440e-1c91-775d-90cd-924996a83c77" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesCurrent_01a0440e-1c91-7369-899b-317a6815b86b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LiabilitiesCurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_01a0440e-1c91-78a6-879f-44afe3299308" xlink:to="loc_us-gaap_LiabilitiesCurrent_01a0440e-1c91-7369-899b-317a6815b86b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesCurrent_01a0440e-1c91-7a74-a61d-14343415fe4c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LiabilitiesCurrent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccruedLiabilitiesCurrent_01a0440e-1c91-7857-a08f-351d6009ebcf" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccruedLiabilitiesCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_01a0440e-1c91-7a74-a61d-14343415fe4c" xlink:to="loc_us-gaap_AccruedLiabilitiesCurrent_01a0440e-1c91-7857-a08f-351d6009ebcf" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsPayableCurrent_01a0440e-1c91-7247-add8-96f3bf8650f6" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccountsPayableCurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_01a0440e-1c91-7a74-a61d-14343415fe4c" xlink:to="loc_us-gaap_AccountsPayableCurrent_01a0440e-1c91-7247-add8-96f3bf8650f6" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiabilityCurrent_01a0440e-1c91-7482-956b-c2622c172f3d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OperatingLeaseLiabilityCurrent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_01a0440e-1c91-7a74-a61d-14343415fe4c" xlink:to="loc_us-gaap_OperatingLeaseLiabilityCurrent_01a0440e-1c91-7482-956b-c2622c172f3d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_01a0440e-1c91-76d9-9b81-f05b8f56fc9e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockholdersEquity"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockValue_01a0440e-1c91-7bb8-9060-166ba3408985" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CommonStockValue"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_01a0440e-1c91-76d9-9b81-f05b8f56fc9e" xlink:to="loc_us-gaap_CommonStockValue_01a0440e-1c91-7bb8-9060-166ba3408985" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdditionalPaidInCapitalCommonStock_01a0440e-1c91-7a2c-b97d-56371034fbd9" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AdditionalPaidInCapitalCommonStock"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_01a0440e-1c91-76d9-9b81-f05b8f56fc9e" xlink:to="loc_us-gaap_AdditionalPaidInCapitalCommonStock_01a0440e-1c91-7a2c-b97d-56371034fbd9" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetainedEarningsAccumulatedDeficit_01a0440e-1c91-7026-b964-144e9a5dfd6a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RetainedEarningsAccumulatedDeficit"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_01a0440e-1c91-76d9-9b81-f05b8f56fc9e" xlink:to="loc_us-gaap_RetainedEarningsAccumulatedDeficit_01a0440e-1c91-7026-b964-144e9a5dfd6a" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.sellaslife.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONS" xlink:type="simple" xlink:href="sls-20260930.xsd#CONSOLIDATEDSTATEMENTSOFOPERATIONS"/>
  <link:calculationLink xlink:role="http://www.sellaslife.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONS" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostsAndExpenses_01a0440e-1c91-7a49-bb5e-9fda6bd8bba3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CostsAndExpenses"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GeneralAndAdministrativeExpense_01a0440e-1c91-715b-afc2-75c6bc1add77" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_GeneralAndAdministrativeExpense"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_01a0440e-1c91-7a49-bb5e-9fda6bd8bba3" xlink:to="loc_us-gaap_GeneralAndAdministrativeExpense_01a0440e-1c91-715b-afc2-75c6bc1add77" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ResearchAndDevelopmentExpenseExcludingAcquiredInProcessCost_01a0440e-1c91-7b5c-937d-fcc3027476ed" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ResearchAndDevelopmentExpenseExcludingAcquiredInProcessCost"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_01a0440e-1c91-7a49-bb5e-9fda6bd8bba3" xlink:to="loc_us-gaap_ResearchAndDevelopmentExpenseExcludingAcquiredInProcessCost_01a0440e-1c91-7b5c-937d-fcc3027476ed" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_01a0440e-1c91-7289-a575-abbca8c1e7e2" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetIncomeLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingIncomeLoss_01a0440e-1c91-754f-929c-e25430b3908d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OperatingIncomeLoss"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_01a0440e-1c91-7289-a575-abbca8c1e7e2" xlink:to="loc_us-gaap_OperatingIncomeLoss_01a0440e-1c91-754f-929c-e25430b3908d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NonoperatingIncomeExpense_01a0440e-1c91-77f8-b08f-c637615a0bdd" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NonoperatingIncomeExpense"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_01a0440e-1c91-7289-a575-abbca8c1e7e2" xlink:to="loc_us-gaap_NonoperatingIncomeExpense_01a0440e-1c91-77f8-b08f-c637615a0bdd" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NonoperatingIncomeExpense_01a0440e-1c91-7386-9b37-522ffc97eeda" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NonoperatingIncomeExpense"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestIncomeExpenseNonoperatingNet_01a0440e-1c91-7f0a-80c0-db289dff20ab" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InterestIncomeExpenseNonoperatingNet"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NonoperatingIncomeExpense_01a0440e-1c91-7386-9b37-522ffc97eeda" xlink:to="loc_us-gaap_InterestIncomeExpenseNonoperatingNet_01a0440e-1c91-7f0a-80c0-db289dff20ab" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingIncomeLoss_01a0440e-1c91-78fe-8613-ee144f3eac65" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OperatingIncomeLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostsAndExpenses_01a0440e-1c91-7267-842a-d21b2b6db96a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CostsAndExpenses"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_01a0440e-1c91-78fe-8613-ee144f3eac65" xlink:to="loc_us-gaap_CostsAndExpenses_01a0440e-1c91-7267-842a-d21b2b6db96a" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.sellaslife.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS" xlink:type="simple" xlink:href="sls-20260930.xsd#CONSOLIDATEDSTATEMENTSOFCASHFLOWS"/>
  <link:calculationLink xlink:role="http://www.sellaslife.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_01a0440e-1d6b-790d-8fd7-8e0c6c577f7f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities"/>
    <link:loc xlink:type="locator" xlink:label="loc_sls_ProceedsFromIssuanceOfCommonStockAndWarrants_01a0440e-1d6b-765f-87b1-baae0cacfeb6" xlink:href="sls-20260930.xsd#sls_ProceedsFromIssuanceOfCommonStockAndWarrants"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_01a0440e-1d6b-790d-8fd7-8e0c6c577f7f" xlink:to="loc_sls_ProceedsFromIssuanceOfCommonStockAndWarrants_01a0440e-1d6b-765f-87b1-baae0cacfeb6" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromWarrantExercises_01a0440e-1d6b-7774-b463-31599f006efa" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ProceedsFromWarrantExercises"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_01a0440e-1d6b-790d-8fd7-8e0c6c577f7f" xlink:to="loc_us-gaap_ProceedsFromWarrantExercises_01a0440e-1d6b-7774-b463-31599f006efa" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromStockPlans_01a0440e-1d6b-7e21-89de-0b46354c3a16" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ProceedsFromStockPlans"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_01a0440e-1d6b-790d-8fd7-8e0c6c577f7f" xlink:to="loc_us-gaap_ProceedsFromStockPlans_01a0440e-1d6b-7e21-89de-0b46354c3a16" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfWarrants_01a19cf8-3f78-798f-8e3d-15d5198355e3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ProceedsFromIssuanceOfWarrants"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_01a0440e-1d6b-790d-8fd7-8e0c6c577f7f" xlink:to="loc_us-gaap_ProceedsFromIssuanceOfWarrants_01a19cf8-3f78-798f-8e3d-15d5198355e3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_01a0440e-1d6b-70ef-8efd-fec2be0ec3eb" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_01a0440e-1d6b-7836-9aef-063076671400" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetIncomeLoss"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_01a0440e-1d6b-70ef-8efd-fec2be0ec3eb" xlink:to="loc_us-gaap_NetIncomeLoss_01a0440e-1d6b-7836-9aef-063076671400" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_01a0440e-1d6b-72d4-aad2-c26c86103bf1" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_01a0440e-1d6b-70ef-8efd-fec2be0ec3eb" xlink:to="loc_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_01a0440e-1d6b-72d4-aad2-c26c86103bf1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseRightOfUseAssetAmortizationExpense_01a0440e-1d6b-79ef-85aa-f2177a2bbc75" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OperatingLeaseRightOfUseAssetAmortizationExpense"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_01a0440e-1d6b-70ef-8efd-fec2be0ec3eb" xlink:to="loc_us-gaap_OperatingLeaseRightOfUseAssetAmortizationExpense_01a0440e-1d6b-79ef-85aa-f2177a2bbc75" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInAccruedLiabilities_01a0440e-1d6b-7ae3-a542-b1b225137ad0" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncreaseDecreaseInAccruedLiabilities"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_01a0440e-1d6b-70ef-8efd-fec2be0ec3eb" xlink:to="loc_us-gaap_IncreaseDecreaseInAccruedLiabilities_01a0440e-1d6b-7ae3-a542-b1b225137ad0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensation_01a0440e-1d6b-7739-9958-ee7204d231b7" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensation"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_01a0440e-1d6b-70ef-8efd-fec2be0ec3eb" xlink:to="loc_us-gaap_ShareBasedCompensation_01a0440e-1d6b-7739-9958-ee7204d231b7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsPayable_01a0440e-1d6b-7da4-965f-1bfffa4857ba" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncreaseDecreaseInAccountsPayable"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_01a0440e-1d6b-70ef-8efd-fec2be0ec3eb" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsPayable_01a0440e-1d6b-7da4-965f-1bfffa4857ba" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInOperatingLeaseLiability_01a0440e-1d6b-7feb-9a06-e7b1d9198a80" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncreaseDecreaseInOperatingLeaseLiability"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_01a0440e-1d6b-70ef-8efd-fec2be0ec3eb" xlink:to="loc_us-gaap_IncreaseDecreaseInOperatingLeaseLiability_01a0440e-1d6b-7feb-9a06-e7b1d9198a80" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_01a0440e-1d6b-70f1-9267-4a5023f4f2f3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_01a0440e-1d6b-7d31-b08a-24424e79f28e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_01a0440e-1d6b-70f1-9267-4a5023f4f2f3" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_01a0440e-1d6b-7d31-b08a-24424e79f28e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_01a0440e-1d6b-77ae-ac9a-d65819c3d9b2" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_01a0440e-1d6b-70f1-9267-4a5023f4f2f3" xlink:to="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_01a0440e-1d6b-77ae-ac9a-d65819c3d9b2" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.sellaslife.com/role/BalanceSheetAccountsScheduleofPrepaidExpensesandOtherCurrentAssetsDetails" xlink:type="simple" xlink:href="sls-20260930.xsd#BalanceSheetAccountsScheduleofPrepaidExpensesandOtherCurrentAssetsDetails"/>
  <link:calculationLink xlink:role="http://www.sellaslife.com/role/BalanceSheetAccountsScheduleofPrepaidExpensesandOtherCurrentAssetsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_01a0440e-1d6b-78d7-a797-ba71c5edae1a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PrepaidExpenseAndOtherAssetsCurrent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PrepaidInsurance_01a0440e-1d6b-7233-8f5b-0ed6b2bc62b4" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PrepaidInsurance"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_01a0440e-1d6b-78d7-a797-ba71c5edae1a" xlink:to="loc_us-gaap_PrepaidInsurance_01a0440e-1d6b-7233-8f5b-0ed6b2bc62b4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_sls_PrepaidResearchAndDevelopment_01a0440e-1d6b-7d95-9121-74821e19c5cb" xlink:href="sls-20260930.xsd#sls_PrepaidResearchAndDevelopment"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_01a0440e-1d6b-78d7-a797-ba71c5edae1a" xlink:to="loc_sls_PrepaidResearchAndDevelopment_01a0440e-1d6b-7d95-9121-74821e19c5cb" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_sls_PrepaidProfessionalServices_01a0440e-1d6b-7395-8aab-de13f9939fb1" xlink:href="sls-20260930.xsd#sls_PrepaidProfessionalServices"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_01a0440e-1d6b-78d7-a797-ba71c5edae1a" xlink:to="loc_sls_PrepaidProfessionalServices_01a0440e-1d6b-7395-8aab-de13f9939fb1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherPrepaidExpenseCurrent_01a0440e-1d6b-7086-ba4b-820a48c5f846" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherPrepaidExpenseCurrent"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_01a0440e-1d6b-78d7-a797-ba71c5edae1a" xlink:to="loc_us-gaap_OtherPrepaidExpenseCurrent_01a0440e-1d6b-7086-ba4b-820a48c5f846" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.sellaslife.com/role/BalanceSheetAccountsScheduleofAccruedExpensesandOtherCurrentLiabilitiesDetails" xlink:type="simple" xlink:href="sls-20260930.xsd#BalanceSheetAccountsScheduleofAccruedExpensesandOtherCurrentLiabilitiesDetails"/>
  <link:calculationLink xlink:role="http://www.sellaslife.com/role/BalanceSheetAccountsScheduleofAccruedExpensesandOtherCurrentLiabilitiesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccruedLiabilitiesCurrent_01a0440e-1d6b-7a24-8be5-30e36603a7fb" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccruedLiabilitiesCurrent"/>
    <link:loc xlink:type="locator" xlink:label="loc_sls_ContractResearchPayable_01a0440e-1d6b-7815-ab87-d086d7f55fd7" xlink:href="sls-20260930.xsd#sls_ContractResearchPayable"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AccruedLiabilitiesCurrent_01a0440e-1d6b-7a24-8be5-30e36603a7fb" xlink:to="loc_sls_ContractResearchPayable_01a0440e-1d6b-7815-ab87-d086d7f55fd7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeRelatedLiabilitiesCurrent_01a0440e-1d6b-787c-8482-2744aaa7b8d2" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EmployeeRelatedLiabilitiesCurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AccruedLiabilitiesCurrent_01a0440e-1d6b-7a24-8be5-30e36603a7fb" xlink:to="loc_us-gaap_EmployeeRelatedLiabilitiesCurrent_01a0440e-1d6b-787c-8482-2744aaa7b8d2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccruedProfessionalFeesCurrent_01a0440e-1d6b-7bea-b047-d5db29a34d60" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccruedProfessionalFeesCurrent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AccruedLiabilitiesCurrent_01a0440e-1d6b-7a24-8be5-30e36603a7fb" xlink:to="loc_us-gaap_AccruedProfessionalFeesCurrent_01a0440e-1d6b-7bea-b047-d5db29a34d60" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAccruedLiabilitiesCurrent_01a0440e-1d6b-7efa-9a27-fcfb146a1c48" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherAccruedLiabilitiesCurrent"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AccruedLiabilitiesCurrent_01a0440e-1d6b-7a24-8be5-30e36603a7fb" xlink:to="loc_us-gaap_OtherAccruedLiabilitiesCurrent_01a0440e-1d6b-7efa-9a27-fcfb146a1c48" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.sellaslife.com/role/CommitmentsandContingenciesScheduleofFutureMinimumLeasePaymentsDetails" xlink:type="simple" xlink:href="sls-20260930.xsd#CommitmentsandContingenciesScheduleofFutureMinimumLeasePaymentsDetails"/>
  <link:calculationLink xlink:role="http://www.sellaslife.com/role/CommitmentsandContingenciesScheduleofFutureMinimumLeasePaymentsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_01a0440e-1d6b-7a79-bb21-673b3d19037b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear_01a0440e-1d6b-7ad5-8ca5-eaa43d43ea55" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_01a0440e-1d6b-7a79-bb21-673b3d19037b" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear_01a0440e-1d6b-7ad5-8ca5-eaa43d43ea55" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths_01a0440e-1d6b-7c2b-bd4d-1e85e99a79be" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_01a0440e-1d6b-7a79-bb21-673b3d19037b" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths_01a0440e-1d6b-7c2b-bd4d-1e85e99a79be" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.sellaslife.com/role/CommitmentsandContingenciesScheduleofFutureMinimumLeasePaymentsDetails_1" xlink:type="simple" xlink:href="sls-20260930.xsd#CommitmentsandContingenciesScheduleofFutureMinimumLeasePaymentsDetails_1"/>
  <link:calculationLink xlink:role="http://www.sellaslife.com/role/CommitmentsandContingenciesScheduleofFutureMinimumLeasePaymentsDetails_1" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_01a0440e-1d6b-7b1b-aa67-6b03311bf794" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount_01a0440e-1d6b-7dac-a776-7832ee074969" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_01a0440e-1d6b-7b1b-aa67-6b03311bf794" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount_01a0440e-1d6b-7dac-a776-7832ee074969" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiability_01a0440e-1d6b-7b25-87f7-1f3271f0a38e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OperatingLeaseLiability"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_01a0440e-1d6b-7b1b-aa67-6b03311bf794" xlink:to="loc_us-gaap_OperatingLeaseLiability_01a0440e-1d6b-7b25-87f7-1f3271f0a38e" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.sellaslife.com/role/StockholdersEquityScheduleofCommonStockReservedforFutureIssuanceDetails" xlink:type="simple" xlink:href="sls-20260930.xsd#StockholdersEquityScheduleofCommonStockReservedforFutureIssuanceDetails"/>
  <link:calculationLink xlink:role="http://www.sellaslife.com/role/StockholdersEquityScheduleofCommonStockReservedforFutureIssuanceDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockCapitalSharesReservedForFutureIssuance_01a0440e-1d6b-7f23-910d-55b78131f422" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CommonStockCapitalSharesReservedForFutureIssuance"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfWarrantOrRightOutstanding_01a0440e-1d6b-72a0-8d21-6805bee85040" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ClassOfWarrantOrRightOutstanding"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_CommonStockCapitalSharesReservedForFutureIssuance_01a0440e-1d6b-7f23-910d-55b78131f422" xlink:to="loc_us-gaap_ClassOfWarrantOrRightOutstanding_01a0440e-1d6b-72a0-8d21-6805bee85040" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_01a0440e-1d6b-79e4-8512-3aadfc7d361c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_CommonStockCapitalSharesReservedForFutureIssuance_01a0440e-1d6b-7f23-910d-55b78131f422" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_01a0440e-1d6b-79e4-8512-3aadfc7d361c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_01a0440e-1d6b-7f8d-9d90-44b9daeaf47f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_CommonStockCapitalSharesReservedForFutureIssuance_01a0440e-1d6b-7f23-910d-55b78131f422" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_01a0440e-1d6b-7f8d-9d90-44b9daeaf47f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_01a0440e-1d6b-76ee-b760-6f4a2bd8d25c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_CommonStockCapitalSharesReservedForFutureIssuance_01a0440e-1d6b-7f23-910d-55b78131f422" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_01a0440e-1d6b-76ee-b760-6f4a2bd8d25c" xlink:type="arc"/>
  </link:calculationLink>
</link:linkbase>
