After-Tax Cost of Debt
Calculate After-Tax Cost of Debt instantly with the exact formula and a worked example. Free online calculator — no signup, works on mobile.
After-Tax Cost of Debt
Debt rate%
Tax%
After-tax Kd
8%
More about: After-Tax Cost of Debt
What it calculates
The “After-Tax Cost of Debt” calculator computes After-tax Kd in % from 2 parameters: debt rate (%), tax (%).
Used by investors to estimate returns, project savings, and analyze a portfolio.
Example calculation
With parameters Debt rate = 10 %, Tax = 20 % the result is 8 %.
How to use
- Enter the parameter values — every field above is adjustable with a slider.
- The result and related metrics are calculated automatically as you type.
- Use the additional metrics shown (if any) where needed.
- Copy the result or bookmark the page.