Credit Card Principal/Interest Calculator
This calculator will show you how much of your current credit card payment is being applied to the principal balance and how much is pure interest. This calculator will also determine how long (at your current rate of repayment) it will take for you to completely pay off your credit card balance. Please remember that this calculator does not take into consideration additional charges that may be incurred on your card.

Enter the current balance on your credit card:
Enter annual interest rate (APR):
Enter the amount you are currently paying per month:
Portion of next payment that will be applied to the principal:
Portion of next payment this will go to pay interest charges:
Total interest charges:
Number of monthly payments:
Total number of years:

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Credit Card Interest Comparison Calculator

As usual please read the disclaimer.