A credit card payoff calculator estimates how long it will take to clear your credit card balances with a fixed monthly payment and how much interest you will pay. Formula: Identical payoff engine to the credit card calculator: months = ceil(ln(payment/(payment-balance × r))/ln(1+r)), r = APR/100/12; interest ≈ payment × months – balance. $8,000 at 18% APR paid at $300 a month takes 35 months and about $2,293.42 in interest.
On this page
How to use the credit card payoff calculator
- Add up your card balances and enter the total.
- Enter the average APR across the cards.
- Enter the amount you can pay each month.
- Read the months to payoff and total interest.
How the credit card payoff calculator works
The credit card payoff calculator treats all your card balances as one amount at an average APR. Each month it adds interest at APR ÷ 12, subtracts your payment, and counts the months until the balance is gone, with a smaller final payment.
- Months = number of payments until the balance reaches zero
- Total interest = sum of each month’s interest charge
- Total paid = starting balance + total interest
Credit card payoff calculator worked example
$8,000 of card debt at an average 18% APR, paid at $300 a month, is cleared in 35 months with about $2,293.42 of interest. Raising the payment shortens the timeline sharply:
| Monthly payment | Months to payoff | Total interest |
|---|---|---|
| $240.00 | 47 | $3,173.77 |
| $300.00 | 35 | $2,293.42 |
| $400.00 | 24 | $1,582.61 |
| $600.00 | 15 | $992.57 |
Working back from a payoff date
If you have a goal date, find the fixed payment that reaches it. On $8,000 at 18%, these payments clear the balance on schedule:
| Payoff in | Monthly payment | Total interest |
|---|---|---|
| 12 months | $733.44 | $801.28 |
| 24 months | $399.39 | $1,585.43 |
| 36 months | $289.22 | $2,411.89 |
| 48 months | $235.00 | $3,280.00 |
Enter one of these payments into the credit card payoff calculator to confirm the timeline. Card statements show a similar figure: under Regulation Z, most statements must list the monthly payment that would pay off the balance in 3 years.
Avalanche or snowball?
With several cards, pay at least the minimum on each and put every extra dollar on one card at a time.
- Avalanche: target the highest APR first. It saves the most interest.
- Snowball: target the smallest balance first. Clearing a card quickly can keep you motivated.
When a card is paid off, roll its payment onto the next one so the total you pay each month stays the same. This tool models the combined balance at an average rate, so it shows your overall timeline; a card-by-card plan with the avalanche method will usually finish a little sooner and cost a little less.
Staying on track
- Stop adding new charges to the cards you are paying down, or the timeline will stretch.
- Set up automatic payments for at least your planned amount.
- Put windfalls such as tax refunds or bonuses toward the balance.
- Ask your issuer about hardship programs if you cannot keep up; nonprofit credit counseling agencies can also help set up a debt management plan.
- Re-run the credit card payoff calculator every few months with your new balance to see your progress.
Estimates for education only, not financial advice. Your lender’s figures are final.
Balance transfers and consolidation loans
A balance transfer card with a 0% promotional rate can speed up payoff because every dollar of your payment goes to principal during the promotion. Most charge a transfer fee, commonly a few percent of the amount moved, and the regular APR applies to anything left when the promotion ends. Divide the balance plus the fee by the number of promotional months to find the payment that clears it in time: $8,000 plus a 3% fee is $8,240, or about $458 a month over 18 months.
A fixed-rate personal loan is another option. It replaces revolving balances with a set payment and end date, which some people find easier to stick to. Compare the loan’s APR and fees with the payoff you get from the credit card payoff calculator at your current rate. Either way, consolidation only helps if the cards are not run up again; consider lowering the limits or keeping the cards at home while you pay down the debt.
Related converters and calculators
Related calculators:
- Credit card interest calculator: card interest
- Debt payoff calculator: all debts
- Debt consolidation calculator: consolidation
- Budget calculator: budgeting
Paying off several cards? The debt snowball calculator orders them and rolls each freed payment forward. The balance transfer calculator checks whether moving a balance saves money.
Sources
CFPB: Regulation Z § 1026.7, periodic statement repayment disclosures; Federal Reserve G.19 Consumer Credit (released Oct 7, 2026).
Formula and method
Identical payoff engine to the credit card calculator: months = ceil(ln(payment/(payment-balance*r))/ln(1+r)), r = APR/100/12; interest ≈ payment*months - balance.
Payoff-date planning page. Math matches credit_card and debt_payoff; editorial focus is finishing the card on a schedule.
Questions about this calculator
How long to pay off $8,000 at $300 a month?
About 35 months at 18% APR.
What payment clears $8,000 in 3 years?
About $289.22 a month at 18%.
Which card should I pay first?
The highest APR saves the most (avalanche); the smallest balance first is the snowball method.
Does the tool handle several cards?
It combines them at an average APR.
What if my payment is too low?
If it does not cover monthly interest, the balance never falls.
Check the assumptions and units before relying on a result. Financial, tax and health estimates do not replace advice for your individual circumstances.
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