What if my payment doesn’t cover the interest?

The calculator will tell you the balance would never shrink at that payment amount — you’d need to increase the payment above the monthly interest charge just to make progress.

Credit Card Payoff Calculator

Credit

Calculate how long it will take to pay off a credit card with a fixed monthly payment.

Display currency

Changing the display currency only changes the symbol shown — amounts aren't converted, since this tool doesn't use live exchange rates.

Current balance

APR (%)

Fixed monthly payment

Time to pay off

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Total interest paid:

How this is calculated

Simulates the balance month by month: each month’s interest (balance × APR ÷ 12) is charged, then your fixed payment reduces the balance by the remainder, until it reaches zero.

Frequently asked questions

What if my payment doesn’t cover the interest?: The calculator will tell you the balance would never shrink at that payment amount — you’d need to increase the payment above the monthly interest charge just to make progress.

Minimum Payment Calculator

See how long paying only the minimum takes — and how much interest it costs — compared to a fixed payment.

Credit Card Interest Calculator

Calculate the monthly interest charge on a credit card balance.

Debt Snowball Calculator

Pay off your debts smallest-balance-first and see your full payoff order and timeline.