Credit Card Payoff Calculator
Enter your credit card balance, interest rate, and monthly payment to see how long it will take to become debt-free. See how extra payments can save you thousands in interest and months of payments.
Credit card debt is the most expensive consumer debt most Americans carry. The average U.S. credit card APR has hovered above 20% throughout the 2020s, which means a $5,000 balance left on a card grows by roughly $1,000 in interest every year if no payments are made. Minimum payments — typically 1–3% of the balance — barely make a dent.
This calculator shows you the truth that issuers don't put on the statement: how long the balance takes to pay off at the payment you're making, how much total interest you'll pay, and how dramatically that changes if you add even a small extra payment each month.
The math is straightforward but the results are often shocking. An $8,000 balance at 22% APR paying only the $200 minimum takes about 5 years and costs over $4,000 in interest. Adding just $100/month cuts that to about 2.5 years and saves more than $2,000.
Inputs
Additional amount beyond your minimum payment
Results
Time to Pay Off
3y 1mo
Total Interest
$3,083.27
Interest Saved
$3,468.00
3 years faster
Total Amount Paid
$11,083.27
Balance Over Time
Minimum Only vs With Extra Payments
Payment Schedule
| Month | Payment | Principal | Interest | Balance |
|---|---|---|---|---|
| 1 | $300.00 | $153.33 | $146.67 | $7,846.67 |
| 2 | $300.00 | $156.14 | $143.86 | $7,690.52 |
| 3 | $300.00 | $159.01 | $140.99 | $7,531.52 |
| 4 | $300.00 | $161.92 | $138.08 | $7,369.59 |
| 5 | $300.00 | $164.89 | $135.11 | $7,204.70 |
| 6 | $300.00 | $167.91 | $132.09 | $7,036.79 |
| 7 | $300.00 | $170.99 | $129.01 | $6,865.80 |
| 8 | $300.00 | $174.13 | $125.87 | $6,691.67 |
| 9 | $300.00 | $177.32 | $122.68 | $6,514.35 |
| 10 | $300.00 | $180.57 | $119.43 | $6,333.78 |
| 11 | $300.00 | $183.88 | $116.12 | $6,149.90 |
| 12 | $300.00 | $187.25 | $112.75 | $5,962.65 |
Formula
How to use this calculator
- Find your current balance on the most recent statement. Use the full balance, not the "minimum due."
- Find your APR on the same statement. Look for "Annual Percentage Rate for Purchases" — if you have cash advances or balance transfers, they may have different APRs.
- Enter the monthly payment you typically make. If you only pay the minimum, use the statement's minimum amount.
- Enter any extra monthly payment you can commit to. Even $25–50/month adds up dramatically over the life of the debt.
- Review the months to payoff and total interest. Try different extra-payment scenarios to see which one fits your budget while shortening the payoff meaningfully.
- If you have multiple cards, run this calculator for each. The avalanche method (focus extra payments on the highest-APR card) usually saves the most total interest; the snowball method (focus on the smallest balance first) is easier to stick with for many people.
Worked examples
Minimum-only trap
Balance: $5,000 APR: 24% Minimum payment: $125 (≈ 2.5% of balance) Extra: $0 Months to payoff: ≈ 65 Total paid: $8,125 Total interest: $3,125 The card costs more than 60% of the original purchases just in interest, and it takes more than 5 years. The same $125 paid for 5 years could be doing much more useful work elsewhere.
Adding $50/month
Same $5,000 balance at 24% APR, but paying $175/month total instead of $125. Months to payoff: ≈ 40 (vs 65) Total paid: $7,000 (vs $8,125) Total interest: $2,000 (vs $3,125) A $50/month bump cuts the payoff timeline by 25 months and saves $1,125 in interest. That's a 56% return on the extra effort.
Balance-transfer math
Balance: $10,000 at 22% APR. Offer: 0% APR for 18 months on transfers, 3% transfer fee. Transfer cost: $300 upfront Required monthly to clear in 18 months: $10,300 / 18 ≈ $573 If you stayed on the original card paying $573/month: ≈ 21 months and ≈ $1,700 in interest. With transfer: 18 months and only $300 in fees. Net savings: ≈ $1,400. Balance transfers work only if you can pay off the balance before the promo expires, otherwise the post-promo rate (often higher than the original) eats the savings.
When to use this calculator
Use this calculator whenever you're carrying a credit card balance. It is the single highest-leverage piece of personal-finance math most people can do — credit card interest is uniquely punishing because it compounds monthly at rates that no responsible investment can outpace.
The rough financial-priority order for most U.S. households: 1. Pay enough on each card to avoid late fees and credit damage 2. Get the full 401(k) employer match (free money beats 22% APR) 3. Build a $1,000 starter emergency fund (so a flat tire doesn't add to credit debt) 4. Pay down credit card debt aggressively — usually before investing further 5. Build a full 3–6 month emergency fund 6. Invest for long-term goals
This calculator handles a single card with a fixed APR. If you have multiple cards, run it for each. If your APRs are floating or you have a promotional 0% period, run separate "phases" to model the change. For specific debt-payoff strategies across multiple debts, use the debt snowball or accelerated debt payoff calculators.
Common mistakes to avoid
- Paying only the minimum. Minimums are designed to keep you in debt as long as legally allowed — they extract maximum interest while preventing default.
- New charges while paying down. Each new purchase resets the daily-balance interest calculation and undoes progress. Stop using the card until the balance is at zero.
- Confusing APR with monthly rate. 22% APR is ≈ 1.83% per month. Multiplying APR by the balance directly overstates monthly interest.
- Not asking for an APR reduction. A 10–15-minute phone call can sometimes reduce APR by 2–5 points, especially for customers in good standing or those threatening to transfer the balance.
- Using a balance-transfer card and not paying off the balance during the promo. When the 0% expires, the regular APR kicks in on the remaining balance — sometimes higher than the original card.
- Skipping payments after one good month. Interest charges resume immediately. Consistency matters more than any one big payment.
Frequently Asked Questions
Sources & further reading
- Credit card minimum payments and how interest is calculated — U.S. Consumer Financial Protection Bureau
- Commercial bank interest rate on credit card plans — Federal Reserve
- Debt collection: your rights — U.S. Federal Trade Commission