Credit Card Payoff Calculator
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About Card Payoff Math
At typical card APRs in the twenties, a balance is a fire: $5,000 at 22% generates about $92 of interest in month one alone, and payments barely above that tread water for years. The minimum payment is engineered to be affordable, not to free you — seeing the actual timeline is what changes behavior.
Enter the balance and APR from your statement, then either your realistic monthly payment (to get the timeline and total interest) or your target months (to get the required payment). Both modes show interest as a percent of the balance — the number that makes the urgency concrete.
Tackling an installment loan instead? Use the Loan Repayment Calculator
The Payoff Formula
Standard amortization, solved both ways (r = APR ÷ 1200):
Months = −log(1 − r·B ÷ P) ÷ log(1 + r) Payment = B·r ÷ (1 − (1 + r)⁻ᵐ) If P ≤ B·r: the balance never falls
Worked example: $5,000 at 22% with $200/month clears in 34 months with ~$1,800 interest (36% of the balance). To finish in 12 months instead: $467.97/month, cutting interest to $616. And $92/month? Never — it doesn't cover month one's interest, which the calculator flags rather than pretending.
Payment Size Changes Everything
$5,000 at 22% APR — the same debt at four payment levels (computed by this calculator):
| Monthly payment | Payoff time | Total interest | Interest vs balance |
|---|---|---|---|
| $125 | 73 months | $4,125 | 83% |
| $200 | 34 months | $1,800 | 36% |
| $300 | 21 months | $1,300 | 26% |
| $500 | 12 months | $1,000 | 20% |
Read the first row twice: near-minimum paying almost doubles the debt via interest. The jump from $125 to $200 saves $2,325 and three years — the steepest part of the payoff curve is right above the minimum.
Payoff Strategy That Works
Multiple cards: the avalanche (highest APR first) minimizes total interest — mathematically unbeatable; the snowball (smallest balance first) buys quick wins that keep people going. Both beat minimum-paying everything by years. Balance-transfer offers (0% intro APR) can genuinely help IF the transfer fee (typically 3–5%) beats the interest saved and the balance actually dies before the promo rate does.
While paying down: stop adding purchases to the payoff card (a card in payoff mode is frozen, not shopping), pay more than once a month if cash flow allows (interest accrues on average daily balance), and know that on-time minimums protect your credit while the strategy above kills the debt. If the numbers here say “decades,” nonprofit credit counseling and hardship programs exist precisely for that conversation.
Frequently Asked Questions
How long will it take to pay off my credit card?
Depends almost entirely on payment size: $5,000 at 22% takes 34 months at $200/month but 73 months at $125. Enter your statement's balance and APR above — the timeline math is exact, and usually motivating.
Why does paying the minimum take so long?
Minimums are typically set near interest-plus-1%-of-balance — engineered so most of the payment feeds interest, not principal. As the balance falls the minimum falls too, stretching the tail for years. Fixing your payment at today's minimum (instead of the declining one) already shortens the timeline dramatically.
What payment clears my card in 12 months?
Roughly the balance ÷ 12 plus about half the first month's interest: $5,000 at 22% needs $467.97. The bytime mode computes it exactly for any deadline — and shows how much interest the deadline saves versus drifting.
Should I use a balance transfer?
When the math wins: a 3–5% transfer fee against 20%+ APR saves money IF you'd carry the balance months anyway AND can clear it within the 0% window (rates jump after). The discipline clause matters — a transfer plus new spending on the old card is how one debt becomes two.
Avalanche or snowball?
Avalanche (highest APR first) is mathematically optimal; snowball (smallest balance first) wins psychologically with early victories. The honest answer: the one you'll sustain. Both, executed, beat the optimal plan abandoned in month three.
Does paying twice a month help?
A little, genuinely: card interest accrues on average daily balance, so a mid-cycle payment lowers the average and trims interest. The bigger lever is total monthly amount — but for the same total, earlier-and-split beats end-of-cycle.
Methodology. This calculator uses standard financial formulas used across the industry. It is reviewed and maintained by the Vast Calculators editorial team.
Last updated · July 11, 2026
Disclaimer. This tool provides estimates for general informational purposes only and is not a substitute for professional financial advice. Always consult a qualified financial advisor before making decisions about your finances.