Calculation method
Monthly interest is estimated as balance × APR ÷ 12, followed by a fixed payment. The final payment is limited to the amount owed.
Estimate payoff time and interest for a fixed monthly payment. Use the example values or enter your own numbers to explore an estimate.
Currency formatting only—not an exchange-rate conversion. No country-specific tax or government rules are applied.
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The PDF includes active input values and option labels, results, sources, model assumptions, and the schedule when available. Schedule periods follow the model: years, months, or actual payments.
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Monthly interest is estimated as balance × APR ÷ 12, followed by a fixed payment. The final payment is limited to the amount owed.
Source/rule review year: Not applicable — general mathematical model.
For a fictional $6,200 card balance at 21.9% APR and a fixed $260 monthly payment, the calculator applies APR ÷ 12, adds interest, then makes each payment at month-end.
| Part | Item | Value |
|---|---|---|
| Input | Card balance | USD 6,200.00 |
| Input | Annual percentage rate | 21.9 % |
| Input | Monthly payment | USD 260.00 |
| Result | Estimated payoff time | 2 yr 8 mo |
| Result | Total interest | US$2,013.25 |
| Result | Total paid | US$8,213.25 |
| Result | Monthly payment | US$260.00 |
The final payment is capped at what remains due. The payoff estimate assumes no new purchases and an unchanged APR and payment throughout the schedule.
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