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Reference table

Cost of Debt Table: After-tax cost of debt by Annual interest expense

Reference table of after-tax cost of debt for Cost of Debt across a range of annual interest expense values — exact, engine-computed figures you can read off at a glance.

By Aarav Mehta, CFA, MBA Finance · Updated Jun 2026 · 1 min read

This cost of debt reference table shows the after-tax cost of debt for a range of annual interest expense values, assuming a total debt of ₹10,00,000 and a tax rate of 3%. Every figure is computed with the same engine that powers our Cost of Debt Calculator, so the numbers are exact.

Annual interest expenseAfter-tax cost of debtPre-tax cost of debt
₹13,0000.9100%1.3000%
₹25,0001.7500%2.5000%
₹38,0002.6600%3.8000%
₹50,0003.5000%5.0000%
₹75,0005.2500%7.5000%
₹1,00,0007.0000%10.0000%
₹1,50,00010.5000%15.0000%
₹2,50,00017.5000%25.0000%
₹3,50,00024.5000%35.0000%
₹5,00,00035.0000%50.0000%

How to use this table

Find the row closest to your annual interest expense and read across to the after-tax cost of debt. For a value between two rows, the real figure sits between them — or enter your exact numbers in the Cost of Debt Calculator for a precise answer.

Need a value that is not in the table? — the Cost of Debt Calculator does it instantly, for free, with the formula and a worked example built in.

Continue exploring finance calculators with these tools: SIP Calculator, EMI Calculator, CAGR Calculator, FD Calculator, Effective Annual Rate (EAR) Calculator.

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Frequently asked questions

Each cell is computed with the standard formula using exact arithmetic — the same calculation behind our Cost of Debt Calculator — so every figure is accurate for the stated assumptions.

Yes. The table covers common annual interest expense values; for any exact figure, enter your own numbers in the Cost of Debt Calculator.

Aarav Mehta · CFA, MBA Finance

Aarav reviews every finance formula on CalcHub for accuracy.