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About the Credit Card Calculator
This Credit Card Calculator computes the monthly payment, total interest, and payoff time for a credit card balance. Enter minimum payments or a fixed custom amount. The results show how long the debt lasts and how much interest accrues.
The calculator applies the standard amortization method: each month, interest at the monthly rate, your APR divided by 12, accrues on the remaining balance, and the tool subtracts your payment. Inputs are the current balance, the card's annual percentage rate, and a payment set as a minimum percentage or a fixed dollar amount. If the payment does not exceed the monthly interest, the balance never clears, and the tool reports this. A practical tip: test a fixed amount above the minimum to see the interest you avoid, and consider a financial professional for major debt decisions.
- Enter your current card balance.
- Add the APR and your payment, minimum or fixed.
- Review the payoff time and total interest shown.