💳 Credit Card Payoff Calculator

See how many months a card balance takes to clear at your payment, what the interest adds, and how much sooner a larger payment finishes the job.

Added on top, to see what overpaying does.

Why card debt takes so long, and what changes it

Credit cards combine three features that make debt persistent: a high rate, daily compounding, and a minimum payment calculated as a percentage of the balance rather than a fixed amount. Each one is survivable. Together they can turn a few thousand dollars into a decade-long commitment.

The minimum payment trap

A typical minimum is 1% of the balance plus that month's interest, or a fixed floor like $25, whichever is greater. Because it falls as the balance falls, the payment shrinks exactly as fast as your progress, which stretches the term enormously:

$6,500 at 22.9% APR
Monthly paymentMonths to clearTotal interestTotal paid
Minimum only (approx.)287$10,750$17,250
$150 fixed73$4,443$10,943
$250 fixed37$2,383$8,883
$350 fixed24$1,489$7,989
$500 fixed16$949$7,449

Paying a fixed $250 instead of drifting along at the minimum saves more than $8,000 and twenty years. The single most effective change most people can make is to set a fixed standing order rather than paying whatever the statement asks for.

Card statements in many countries are now legally required to show how long the balance would take to clear at the minimum payment. It is worth reading that line once; it is usually the most persuasive sentence on the page.

Daily compounding

Card interest is normally calculated on the average daily balance and added monthly, which makes the effective rate higher than the headline APR. A 22.9% APR compounded daily works out at about 25.7% effective. It also means the date you pay matters: paying a week earlier reduces the average daily balance and therefore the interest, by a small but entirely free amount.

The grace period

Most cards charge no interest on purchases if the statement balance is paid in full by the due date. Carry any balance and the grace period usually disappears, so new purchases start accruing interest from the day of purchase rather than from the statement date. This is why a card that is paid off every month is a free short-term loan, and a card carrying $50 is not.

Balance transfers

A 0% balance transfer offer can be worth thousands, with two conditions. First, the transfer fee, typically 3% to 5%, must be less than the interest you would otherwise pay: on $6,500 a 3% fee is $195 against $2,383 of interest, which is an easy win. Second, you must clear the balance within the promotional window, because the revert rate is often higher than the card you left.

$6,500 transferred to a 0% card with a 3% fee
PlanMonthly paymentInterest and fees
Clear within 18 months$372$195 fee only
Clear within 24 months$279$195 fee only
Pay $250, revert at month 18$250$195 + about $430

Order of payment allocation

Where a card has balances at different rates, such as purchases and a cash advance, regulations in the US and UK require payments above the minimum to go to the highest-rate balance first. The minimum itself may be allocated to the cheapest. This is why paying only the minimum on a card with a cash advance leaves the expensive part untouched.

A worked example

$6,500 at 22.9% with a $250 monthly payment clears in 37 months with $2,383 of interest. Adding $100 a month cuts it to 25 months and $1,569, saving $814 for $100 a month over two years. Moving the same balance to an 18-month 0% card with a 3% fee and paying $372 a month costs $195 in total, saving $2,188.

Frequently Asked Questions (FAQs)

How long will it take to pay off my credit card?

At a fixed payment, divide the problem into interest and principal each month: interest is the balance times the APR divided by twelve, and everything else reduces the balance. The calculator does this month by month. At the minimum payment, expect multiples of what you would guess.

Why does my balance barely move when I pay the minimum?

Because most of the minimum is the interest just charged. On $6,500 at 22.9%, the first month's interest alone is about $124. A minimum of $150 leaves $26 going to the balance, so you have reduced the debt by 0.4%.

Is a balance transfer worth it?

Usually, if the transfer fee is well below the interest you would otherwise pay and you can clear the balance before the promotional rate ends. A 3% fee against a 22.9% APR pays for itself in under two months. Set the monthly payment so the balance reaches zero before the revert date.

Should I close a card after paying it off?

Often not. Closing it reduces your total available credit, which raises your credit utilisation ratio and can lower your score, and it may shorten your average account age. Keeping it open with no balance, or with a small recurring charge paid in full, usually scores better.

What is the difference between APR and the interest I am charged?

APR is a nominal annual rate. Interest is normally compounded daily on the average daily balance, so a 22.9% APR costs about 25.7% over a full year. Cards also apply different rates to purchases, cash advances and transfers.

Does paying twice a month help?

Slightly, because interest is calculated on the average daily balance, so reducing the balance earlier in the cycle reduces the average. The saving is small, a few dollars a month on a typical balance, but it is free and it also keeps utilisation lower at the statement date.

Should I pay off the card or keep an emergency fund?

Keep a small buffer, around one month of essentials, then attack the card hard. Without any buffer, the next unexpected expense goes straight back onto the card, which is how balances rebuild after being cleared.