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Credit Card Payoff Calculator

How long until you're debt-free and what the interest really costs.

Given a balance, APR, and your monthly payment, see how many months until the card is paid off and how much interest you'll pay along the way.

Nadia Almasri By Nadia Almasri
Published Last reviewed 1 min read

Inputs

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Results

Enter values and click Calculate to see results.
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How to use this calculator

  1. Fill in the inputs above using the units you already have.
  2. Values update automatically as you type — no submit button needed.
  3. Hover any result row for the underlying formula and intermediate values.

Formula

Monthly interest is added to the balance, then the monthly payment is subtracted, repeated until the balance hits zero. The number of months and total interest come from iterating that sequence.

In depth

Given a balance, APR, and your monthly payment, see how many months until the card is paid off and how much interest you'll pay along the way.

Frequently asked questions

Then the balance will grow, not shrink. The tool will flag that case so you can raise the payment until it exceeds monthly interest.