Estimated Monthly Interest

Estimate Your Credit Card Interest Cost

Outstanding Balance

$
100000

Calculation Period (Months)

120
Months

Credit Card APR (%)

10
%

Your Credit Card Interest Summary

Monthly Interest Charge $1,309.91

Total Interest Charged $57,188.72

Total Balance After Interest $157,188.72

This credit card interest calculator estimates interest charges on revolving card balances using APR.

Credit Card Interest Calculator

This credit card interest calculator helps you estimate how much interest you may be charged on your outstanding balance over a selected period based on your card’s APR.

How Credit Card Interest Is Calculated

Credit card interest is usually calculated monthly using your card’s annual percentage rate (APR). The interest is applied to your outstanding balance and added to the total amount owed.

Why Credit Card Interest Grows Quickly

  • High APR compared to loans
  • Compounding interest
  • Minimum payment structure