APR Calculator

Convert APR from monthly to Annual and back

Monthly to Annual APR

Enter the monthly interest rate and click calculate to show the equivalent Annual rate with the monthly interest compounded (AER or APR) and not compounded (e.g. if you withdrew the interest each month).

Monthly interest rate (%)
%
%

Annual APR to Monthly Interest

Enter the Annual compound interest rate (AER for savings or APR for a loan) click calculate to show the equivalent monthly compound interest rate and not compounded rate.

Annual Rate (% AER or APR)
%
%