What your payoff result shows
The headline answers whichever question you picked: how many months a payment takes, or what payment a deadline needs. Under it, interest as a share of what you pay is the figure that tends to change behaviour — on a card at a typical rate paid down slowly, a third or more of every dollar can go to interest rather than to the balance.
The line to look hardest at is paying only the minimum. Card minimums are set as a percentage of the balance, so they fall as the balance falls, and that is the mechanism that stretches a card across decades. It is the difference between a plan and a treadmill, and it is why a fixed payment — even a modest one — is the single most effective change you can make.
How to use this calculator
- Balance and APR from your latest statement. Use the purchase APR unless most of the balance sits at a different rate.
- Pick a direction. Either enter what you can pay and see the date, or enter a deadline and see the payment.
- Set your card’s minimum as the percentage in your agreement, with the dollar floor in the advanced panel. This drives the minimum-only comparison.
- Advanced also holds a balance-transfer comparison: enter a promotional rate, how many months it lasts and the transfer fee, and the result shows what moving the balance would save at the same payment.
Everything recalculates as you type, and nothing you enter leaves your browser.
Why minimum payments take so long
A minimum payment is usually the greater of a small dollar floor and a percentage of what you owe. Because it is a percentage, it shrinks every month as the balance does — so the amount going to principal falls in step with the balance, and the payoff stretches out far longer than the arithmetic of a fixed payment would suggest. At a high APR a flat 2% minimum is only fractionally above the interest charged, which is how a mid-sized balance turns into a multi-decade commitment.
Paying a flat amount breaks that loop. Fixing your payment at what today’s minimum happens to be, and never lowering it, converts the card into an ordinary amortising loan and cuts years off the term at no extra monthly cost. Paying more than that is better still, and the calculator prices both.
What actually clears a card faster
- A fixed payment, never reduced. The cheapest change available, because it costs nothing above what you already pay.
- A lower rate. A balance transfer at a promotional rate, or a personal consolidation loan, cuts interest without cutting the payment. Weigh the transfer fee and be certain of the date the promotion ends.
- Windfalls, applied whole. A refund or bonus put against the balance lands entirely on principal.
- Stopping new spending. New purchases usually pay off last, so a card you are both paying down and spending on can look stationary for months.
- Attacking the right card first when you have several — the snowball calculator orders them and shows what each ordering costs.
Balance transfers, honestly
A 0% transfer is genuinely powerful: for the promotional period every dollar goes to principal. Three things decide whether it works. The fee, usually 3–5%, is added on day one and is real money. The end date is absolute — whatever remains reverts to a full rate, often higher than the card you left. And the payment has to be sized to clear the balance inside the promotional window, which is exactly what the comparison in the advanced panel checks.
Used that way a transfer saves months and much of the interest. Used as breathing room without a plan, it moves the problem and adds a fee.
What this calculator assumes
- No new purchases on the card during the payoff.
- Interest charged monthly on the balance. Cards compound daily, so a statement may differ slightly.
- A fixed APR. Card rates are variable and move with the prime rate.
- Every payment on time. A late payment can add a fee and, on some agreements, a penalty rate.
- The minimum formula you entered. This matters more than any other assumption here: agreements differ, and the difference is enormous. A flat percentage of the balance — the model above — barely exceeds the monthly interest at a high APR, so payoff runs to decades. An agreement that charges a smaller percentage plus that month’s interest repays far faster, because the whole percentage goes to principal. On $6,400 at 22.5%, a flat 2% takes about 945 months while 1% plus interest takes about 222. Read your own agreement before trusting either figure.
These are planning estimates. Your card agreement is the authority on the rate and the minimum.
Credit card debt questions people ask
Is it better to pay off one card or spread payments across several?
Concentrate. Pay every minimum, then put everything spare on one card until it clears — spreading extra money thinly delays every payoff and saves nothing. Which card to target first is what the debt snowball calculator settles.
Does paying off a card help my credit score?
Usually yes, because it lowers your credit utilisation — the share of your available credit you are using — which is a significant scoring factor. Leaving the account open after clearing it generally helps more than closing it, since closing reduces your available credit.
Should I use savings to clear a credit card?
Beyond a small emergency buffer, usually yes. A card at 20% or more costs far more than savings earn, so clearing it is the better guaranteed return. Keep enough cash back that the next unexpected bill does not go straight onto the card you just paid off.
What if I can only afford the minimum?
Then the priority is a lower rate rather than a bigger payment: a transfer offer, a consolidation loan, or a hardship plan with the issuer. If minimums themselves are unaffordable, a non-profit credit counselling agency can negotiate a management plan before fees compound the problem.