The formula for calculating the After tax cost of debt is

After tax cost of debt = Cost of debt * ( 1 – Tax rate )

In the calculator below insert the values of Cost of debt and Tax rate to arrive at the After tax cost of debt.

Learning finance made easy

The formula for calculating the After tax cost of debt is

After tax cost of debt = Cost of debt * ( 1 – Tax rate )

In the calculator below insert the values of Cost of debt and Tax rate to arrive at the After tax cost of debt.