Credit Card Payoff Calculator
↻ Updated 2026Enter your card balance, APR, and monthly payment to see your payoff date and total interest — and how much faster you'll finish by paying a little more each month.
Educational calculators — always consult a licensed professional before making financial decisions.
Runs entirely in your browser — nothing you enter is sent to us.How this works
How to read your credit card payoff result
Total interest of $2,100.76 on a $6,000 balance means you repay $8,100.76 — 35% more than you borrowed — and that's for a card you never spend on again. The payoff clock is far more sensitive to the payment than to the balance, which is the one useful asymmetry on this page.
How your card payoff time and interest are worked out
There's no closed-form shortcut in the fixed-payment mode — the tool simply steps through the months. Each month it charges interest on whatever is left, subtracts your payment, and repeats until the balance hits zero. The month counter when that happens is your payoff time, and the interest is the running total of every monthly charge along the way.
The critical quantity is the first month's interest, because it sets the floor. At 22.9% on $6,000 that's $114.50. Your $250 payment therefore does two jobs: $114.50 rents the money for a month, and only the remaining $135.50 — 54% of what you sent — actually reduces the debt. Every dollar you add above $250 escapes that split entirely and goes 100% to principal, which is why small payment increases have outsized effects.
monthly rate = APR ÷ 12 repeat each month until balance = 0: interest = balance × monthly rate principal = payment − interest balance = balance − principal if payment ≤ first month's interest → never pays off Target-months mode solves the reverse: payment = balance × r ÷ (1 − (1 + r)^−n)
- balance
- What you owe on the card today — assumed to only ever fall — no new purchases are added
- APR
- The card's purchase annual percentage rate — divided by 12 for a monthly rate; real issuers use a daily rate — see the limitations
- payment
- The fixed amount you send every month — fixed is the operative word — it does not shrink as the balance does, unlike a card minimum
- interest
- The month's finance charge, taken before any principal — $114.50 in month one on the defaults — the first claim on every payment
- n
- The number of months, in target-months mode — the payoff term you pick; the tool solves for the payment that clears the balance in exactly that many months
The failure mode is worth naming. If your payment never exceeds the first month's interest, the balance grows every month and the tool reports "Never" rather than a very large number — that's the honest answer, not an error. On the defaults it would take a payment at or below $114.50 to trigger it. The page also warns when less than a quarter of your first payment reaches principal, which happens here below about $153 a month.
Card minimums are the reason this matters: they're set as a percentage of the balance, so they fall as you pay down and can hover just above the interest line for decades. The minimum payment calculator models that shrinking payment and shows what it costs.
Worked examples
Example: $6,000 at 22.9% APR, paying $250 a month
The calculator's defaults. A single card balance, a fixed payment, and no further spending on the card.
| Monthly rate22.9% ÷ 12 | 1.908% |
| Month 1 interest$6,000 × 1.908% | $114.50 |
| Month 1 principal$250 − $114.50 — 54% of the payment | $135.50 |
| Payoff time33 months | 2 yr 9 mo |
| Total interest35% of the original balance | $2,100.76 |
| Total repaidon $6,000 borrowed | $8,100.76 |
Nearly three years and $2,100.76 of interest to clear $6,000 — you repay a third more than you spent. The month-one split is the thing to look at: $114.50 of your first $250 never touches the debt. As the balance falls that share improves, which is why the last months move so much faster than the first.
Example: the same card at $350 a month
Raise the payment slider by $100 and change nothing else. Same balance, same APR, same card.
| Month 1 interestunchanged — it depends on the balance, not the payment | $114.50 |
| Month 1 principal$350 − $114.50 — 67% of the payment | $235.50 |
| Payoff time21 months, down from 33 | 1 yr 9 mo |
| Total interestdown from $2,100.76 | $1,336.20 |
| Savedand a year off the clock | $764.56 |
An extra $100 a month — a 40% larger payment — cut the payoff by 36% and the interest by 36%. The extra $100 went entirely to principal every single month, because the $114.50 of interest was already covered by the first $250. That's the whole mechanism behind every "pay a little more" claim you'll read: above the interest line, your money is undiluted.
Frequently asked questions
How long will it take to pay off my credit card?
It depends almost entirely on the ratio of your payment to the monthly interest, not on the size of the balance. On the defaults — $6,000 at 22.9% — paying $250 a month clears it in 33 months and costs $2,100.76. Paying $350 clears it in 21 months for $1,336.20.
The rule of thumb that actually predicts the answer: work out the first month's interest (balance × APR ÷ 12), and see how much of your payment survives it. At $250 against $114.50 of interest, 54% of each payment is doing real work, and the payoff takes a little under three years. When that share drops below a quarter, payoff times run to decades.
How is credit card interest calculated?
Most US issuers calculate it daily, not monthly. They divide your APR by 365 to get a daily periodic rate, apply it to each day's balance, and charge you the total at the end of the cycle — the CFPB describes this as the average daily balance method, and many issuers compound it, adding each day's interest to the next day's balance.
This calculator uses APR ÷ 12 applied once a month, which is the standard simplification and lands within a few dollars over a payoff of this length. It's slightly optimistic: daily compounding costs a little more than monthly. The bigger real-world variable isn't the compounding method at all — it's the grace period. Pay the statement balance in full each cycle and most cards charge no interest on purchases whatsoever; carry a balance and you typically lose the grace period until you clear it, so new purchases start accruing from day one.
Does paying off a credit card early hurt your credit score?
No. FICO's scoring models don't penalise paying a balance off, and paying before the statement closes usually helps, because the balance reported to the bureaus is the one from your statement date — a lower reported balance means lower utilisation, which is a substantial part of a FICO score.
The only wrinkle people trip over is closing the account afterwards, which is a different action from paying it off. Closing reduces your total available credit and can raise utilisation across your remaining cards, and it eventually shortens your average account age. Paying a card to zero and leaving it open has no such downside.
Should I pay off my credit card in full every month?
Paying the statement balance in full is what the grace period is designed around: do it and the interest on this page never happens. That's not advice, it's the mechanical difference between a card that costs 22.9% and a card that costs nothing.
If you can't clear it in full, the number that matters is how far above the monthly interest your payment sits — because everything above that line reduces the debt dollar for dollar. Set the balance and APR to your real figures and the calculator prices each $25 step.
What is a good APR for a credit card?
There isn't a threshold we'd publish as ours, but there's a reference point. The Federal Reserve's G.19 consumer credit release tracks the average rate on card accounts actually assessed interest — it reported 22.15% for Q2 2026, which is why this page defaults to 22.9%. If your card is meaningfully above that, the rate itself is unusual rather than the balance.
APR on a card is also not the same measure as APR on a loan: a card's APR is the nominal rate applied to your balance, while a loan's disclosed APR folds origination fees into the rate. The APR calculator shows how much fees move that number on an installment loan.
Where this payoff model diverges from your real card
The arithmetic is exact; the model of a credit card behind it is deliberately simple. Four gaps matter.
- Monthly interest, not daily — The tool charges APR ÷ 12 once a month. Real issuers apply a daily periodic rate of roughly APR ÷ 365 to each day's balance and typically compound it, which costs slightly more over the same payoff. The difference is small next to the effect of a $25 change in payment.
- No new purchases, ever — The balance only falls. If you're still using the card, your real payoff date isn't on this page — and carrying a balance usually forfeits the grace period, so those new purchases start accruing interest immediately rather than at the end of the cycle.
- No minimum-payment floor and no fees — Your issuer requires at least its minimum; this model happily accepts any payment above the interest. It also ignores annual fees, late fees, and the penalty APR a late payment can trigger — which on many cards is near 30% and would reprice the entire calculation.
- The APR is assumed fixed — Almost all US card APRs are variable, set as prime plus a margin, so they move when the Fed moves. A payoff of a few years at a rate that changes is a different arithmetic problem from the constant-rate one modelled here.
- ·Standard loan amortization formulas
Rates, brackets and limits here are checked against primary sources. If a number still looks off, email support@realmoneyiq.com and we'll review and fix it.
RealMoneyIQ provides free educational calculators, not financial, tax, investment or legal advice. Results are estimates based on the assumptions you enter and publicly published rates; your actual outcome will differ. Always confirm decisions with a licensed professional who knows your full situation.