Credit Card Payoff Calculator

Estimate how long a credit-card balance takes to repay with a fixed monthly payment and how much interest is paid

Assumes a constant APR, no new purchases or fees, and monthly compounding. Actual card interest may use daily periodic rates.

Your result will appear here.

About the Credit Card Payoff Calculator

Credit Card Payoff Calculator estimates how long a revolving balance may take to repay and how much interest can accrue under a chosen payment plan. It is most useful for comparing a fixed monthly payment with a target payoff period.

Credit cards often use daily periodic interest, changing statement balances and fees, so the calculator provides a planning estimate rather than reproducing every issuer’s statement calculation exactly.

How to Use the Credit Card Payoff Calculator

  1. Enter the current card balance.
  2. Enter the annual percentage rate.
  3. Enter the monthly payment or target payoff period.
  4. Calculate payoff time and total interest, then test a higher payment to see how much time and interest it could save.

How the Calculation Works

A simplified payoff model applies a periodic interest rate to the outstanding balance and then subtracts the payment each period. Monthly rate is often approximated as APR/12 for planning.

If payment is too low to cover interest and reduce principal, payoff may not occur. Real issuers may calculate interest daily and include fees, purchases or promotional rates that alter the path.

Worked example

Credit Card Payoff Calculator Worked Example

$5,000 balance at 20% APR with $200 monthly payments

The first month’s simplified interest is about $5,000×0.20/12 = $83.33, so only about $116.67 of the $200 payment reduces principal initially. Later interest falls as the balance declines.

Result guide

Understanding Your Credit Card Payoff Calculator Result

A larger fixed payment typically shortens payoff time substantially because more of each payment reaches principal earlier, reducing the balance on which future interest is charged.

Before you rely on the answer

Assumptions and Limitations

  • APR and payment remain constant in the model.
  • No new purchases, fees or cash advances are added.
  • Payment timing follows the calculator’s periodic assumption.

Practical tip

Using This Result in Practice

If your card has multiple APR buckets or a promotional rate ending soon, model those periods separately. A single blended APR can hide a sharp cost increase after the promotion expires.

Related calculations

Useful Calculations to Continue With

If you are comparing repayment order across several debts rather than one card, use the Debt Snowball Calculator.

If you need to understand an APR including certain loan costs rather than card payoff timing, use the APR Calculator.

Authoritative references

Useful Official Sources

For standards, definitions or real-world guidance related to this calculation, these primary sources may be useful:

Common questions

Credit Card Payoff Calculator FAQ

Why can minimum payments take so long to pay off a card?

A small payment may cover mostly interest early on, leaving principal to decline slowly.

Does the calculator include new purchases?

Not unless they are explicitly modeled. Continued spending can extend payoff considerably.

Will the result match my statement exactly?

Not always. Issuers can use daily interest, fees and statement-specific rules.