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Credit Card Payoff Calculator

Compare minimum payment vs fixed payment strategies on credit card debt. See total interest cost, payoff date, and monthly breakdown using 2026 average APR of 22.3% for cards carrying balances.

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Credit Card Details

2026 average: 22.3% for cards with balances

Minimum Payment Calculation

Typically 1-3% of balance

Lowest payment allowed

Your Payment Strategy

Amount you commit to paying each month

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Introduction

Credit card companies are extraordinarily transparent about minimum payments and somewhat less transparent about what those minimum payments actually cost you. A $6,500 credit card balance at 22.99% APR with a minimum payment of 2% of balance ($130 to start) takes 31 years to pay off and costs $10,400 in interest -- more than the original balance. The Consumer Financial Protection Bureau's credit card data shows that Americans paid $130 billion in credit card interest and fees in 2024. That number exists because the math of revolving credit is designed to be opaque. This calculator makes it transparent: enter your balance, APR, and payment amount, and see exactly when you will be free of the debt and the total cost.

What This Calculator Does

This credit card payoff calculator computes the payoff timeline and total interest cost for any credit card balance at any APR and payment amount. It shows how many months until the balance reaches zero, total interest paid, and total amount paid (principal + interest). It also calculates the minimum payment needed to pay off the balance within a specific target timeframe, and shows the dramatic interest savings from making fixed payments versus minimum-only payments. Extra payment impact analysis shows exactly how much each additional $50, $100, or $200/month saves in interest and time.

The Formula

Monthly Interest = Balance x (APR / 12) | Months to Payoff = -log(1 - (Balance x r / Payment)) / log(1 + r) | Where r = APR / 12 | Total Interest = (Monthly Payment x Months) - Balance

Each billing cycle, interest accrues on the remaining balance at the monthly rate (APR divided by 12). If your APR is 22.99%, the monthly rate is 1.916%. On a $5,000 balance, that is $95.83 in interest the first month. A $150 payment reduces the balance by only $54.17 that month. The payoff formula uses logarithms to solve for the number of periods. Minimum payments are typically calculated as a percentage of the outstanding balance (1-2%) or a fixed floor ($25-35), whichever is greater. As the balance decreases, minimum payments shrink -- extending the payoff timeline indefinitely when close to the floor.

Step-by-Step Example

1

Enter current balance and APR

Current balance: $7,200. APR: 24.49%. Monthly rate: 24.49% / 12 = 2.041%. First month interest: $7,200 x 0.02041 = $146.95.

2

Model minimum payment only

Minimum at 2% of balance: $144 (month 1, then decreasing as balance falls). Payoff time at minimum only: approximately 38 years. Total interest: $14,800. Total paid: $22,000 on a $7,200 balance.

3

Set a fixed monthly payment target

Fixed payment of $300/month. Months to payoff: -log(1 - ($7,200 x 0.02041 / $300)) / log(1.02041) = 32 months (2 years 8 months). Total interest: $2,376. Total paid: $9,576. Savings versus minimum only: $12,424 in interest and 35+ years.

4

Calculate impact of extra payments

Paying $400/month instead of $300: payoff in 22 months. Interest saved versus $300/month: $610 less interest, 10 months faster. Every extra $100/month on a $7,200 balance at 24% APR saves approximately $600 in interest and eliminates 10 months.

Real-World Use Cases

Evaluating a Balance Transfer Offer

A cardholder has $9,400 at 23.99% APR. A balance transfer offer: 0% APR for 18 months with a 3% transfer fee ($282). If they can pay $525/month, they clear the balance in 18 months during the 0% period with $282 total cost (just the fee). Staying at 23.99% with $525/month: 20 months, $1,800 in interest. The balance transfer saves $1,518.

Managing Post-Holiday Debt

A family accumulates $3,800 in holiday credit card charges at 21.99% APR. Setting a fixed $400/month payment: payoff in 10 months, $238 in interest. Minimum payments only: 11+ years, $4,600 in interest. The comparison motivates the family to maintain the $400 commitment even when it is tempting to revert to minimums.

Calculating the True Cost of a Financed Purchase

Someone charges a $2,500 appliance to a card at 26.99% APR and makes minimum payments of 2%. They will pay $5,200 total over 12 years. Alternatively, a $2,500 personal loan at 10% over 2 years costs $2,773 total. Or saving $210/month for 12 months and paying cash costs exactly $2,500. Seeing the full cost comparison changes the financing decision.

Comparison

Payment StrategyBalance: $5,000 at 22%Months to PayoffTotal InterestTotal Paid
Minimum only (2% of balance)$5,000~384 months (32 yrs)$8,940$13,940
Fixed $100/month$5,00094 months (7.8 yrs)$4,400$9,400
Fixed $150/month$5,00048 months (4 yrs)$2,200$7,200
Fixed $200/month$5,00032 months (2.7 yrs)$1,360$6,360
Fixed $300/month$5,00020 months (1.7 yrs)$820$5,820
Fixed $500/month$5,00011 months$380$5,380

Common Mistakes to Avoid

  • Treating the minimum payment as the 'correct' payment. Credit card minimum payments are legally designed to be the smallest amount that keeps the account current -- not the amount that makes meaningful progress. Paying only minimums on a $5,000 balance at 22% for a year results in a balance of approximately $4,700 despite 12 payments totaling $480.

  • Continuing to charge the card while paying it down. Paying $300/month while adding $200/month in new charges nets only $100 of principal reduction. During an active payoff period, the card being paid off should not be used for new purchases. Use a debit card or a zero-balance card for ongoing spending.

  • Not canceling automatic charges before the card is closed. Monthly subscriptions, insurance autopay, and streaming services set to a credit card will keep a small balance that then accrues interest. List all recurring charges before closing or freezing any card in your payoff plan.

  • Accepting a credit limit increase while paying off the card. Card issuers often automatically increase limits as you pay down balances. A higher limit creates spending temptation that undermines the payoff plan. A card limit is not a spending budget.

Frequently Asked Questions

Accuracy and Disclaimer

Credit card payoff calculations assume a fixed annual percentage rate (APR) for the entire repayment period. Most credit cards have variable APRs that change with the prime rate, which changes when the Federal Reserve adjusts the federal funds rate. Actual payoff timelines may be shorter or longer if your APR changes. Minimum payment requirements vary by card issuer and may change with balance level. Balance transfer fees, annual fees, and late fees are not included in these calculations. This calculator is for educational and planning purposes only and does not constitute financial advice. If you are struggling with credit card debt, contact a nonprofit credit counseling agency accredited by the National Foundation for Credit Counseling (NFCC).

Conclusion

Once you have a concrete credit card payoff plan, automate the fixed payment amount to prevent accidental minimum-only payments. After the card is cleared, redirect those same dollars to your next financial priority. Use the Debt Payoff Calculator if you carry balances on multiple cards to model the optimal payoff sequence, or the Emergency Fund Calculator to build the cash buffer that keeps you from returning to the card when the next unexpected expense arrives.