Credit Card Payoff Calculator: Time and Interest

What this calculator can help you understand

How long it would take to pay off a card balance at a fixed monthly payment.
How much interest you’d pay, and the total you’d pay altogether.
The monthly payment needed to be debt-free in a number of months you choose.
What paying only the minimum would cost by comparison.

When it’s useful

When a balance feels stuck, to see how much of each payment goes to interest.
When setting a goal, such as being debt-free within a year or two.
When your budget changes, to see what a larger or smaller payment means.
When considering a balance transfer or consolidation loan, to know what your current path costs.

Who it’s for

Anyone carrying a credit card balance from month to month.
People paying only the minimum, who want to see the alternative.
Anyone planning to stop using a card while paying it down.

What to enter

Input	What it means	Where to find it
Card balance	What you owe today	Your statement or online account
APR	The annual percentage rate on purchases (or on the balance you’re paying)	Your statement, under interest charges
What you’ll pay each month	A fixed amount you plan to pay	Your budget
Months to be debt-free in	A target, to see the payment it would need	Your goal

How to use it

Enter your current balance and the APR.
Enter the fixed amount you plan to pay each month.
Read how long it would take and the interest you’d pay.
Enter a target number of months to see the payment needed to finish by then.
Compare with the minimum-payment estimate below the results.
Try a slightly higher payment to see how much time and interest it saves.

Understanding your results

Time to pay it off is how long your fixed payment would take to reach zero, with no new charges.
Interest you’d pay is the total interest charged until then.
Monthly payment to be debt-free in your target is the fixed payment that would clear the balance in that many months.
The minimum payment comparison uses a common formula: 1% of the balance plus that month’s interest, with a $25 floor. Your card’s formula may differ.

If your payment is less than a month’s interest, the balance would never go down, and the calculator will tell you.

A worked example

Suppose you owe $5,000 on a card with a 24% APR and can pay $200 a month without adding new charges.

Inputs: balance $5,000; APR 24%; payment $200.
The first month: interest is $5,000 × 24% ÷ 12 = $100.00, so only $100.00 of your first $200 payment reduces the balance. As the balance falls, more of each payment goes to principal.
Result: you’d pay off the card in 3 years, paying about $2,001 in interest, $7,001 in total.
To finish sooner: about $264.36 a month would clear it in two years, or $472.80 in one year. The payment to finish in three years is $196.16, which is the figure your statement shows.
Minimum payments only: starting at $150.00 and shrinking as the balance falls, it would take 19 years, 6 months and cost about $8,887 in interest.

How the result changes

$5,000 at 24% APR, with different fixed payments:

Monthly payment	Time to pay off	Total interest
$150	4 years, 8 months	$3,322
$200	3 years	$2,001
$300	1 year, 9 months	$1,143
$400	1 year, 3 months	$812

Going from $150 to $300 a month cuts the time by more than half and saves $2,179 in interest. Each step up saves less than the one before, so even a modest increase over the minimum makes a real difference.

Common mistakes

Using a promotional APR. If a 0% or low intro rate is ending, enter the rate that applies afterward.
Forgetting new purchases. The estimate assumes the card isn’t used; new charges lengthen the timeline.
Paying a fixed amount that barely covers interest. At $5,000 and 24% APR, the first month’s interest alone is $100.00.
Ignoring other balances. If you have several cards, a plan across all of them can save more; see the debt payoff calculator.

What to do with your result

Choose a payment you can sustain and set it up as an automatic payment.
Consider asking your issuer for a lower APR; a better rate shortens every scenario.
If you’re weighing a balance transfer or consolidation loan, compare its total cost, including fees, with the interest shown here; the loan calculator can help.
Building a small emergency fund can keep surprise expenses off the card while you pay it down.

Limitations to keep in mind

The calculator assumes a fixed APR, no new charges or fees, and monthly interest at one-twelfth of the APR. Issuers calculate interest on your average daily balance, so actual figures may differ slightly. Minimum payment formulas vary by card. These are estimates, not your issuer’s payoff figures or financial advice.

Frequently asked questions

Why does paying the minimum take so long?

Minimum payments are usually a small percentage of the balance plus that month’s interest, so as the balance falls, the minimum falls too. In our example, paying only the minimum on $5,000 at 24% APR would take 19 years, 6 months and cost about $8,887 in interest.

Does my statement show how long the minimum payment takes?

Yes. Under the Credit CARD Act of 2009, credit card statements must show how long it would take to pay off the balance making only minimum payments, and the monthly payment needed to pay it off in three years.

How is credit card interest calculated?

Most issuers apply a daily rate (the APR divided by 365) to your average daily balance and charge it monthly. This calculator uses one-twelfth of the APR each month, which gives a close estimate.

Would a balance transfer help?

A 0% balance transfer can reduce interest if you can pay off most of the balance before the promotional period ends and the transfer fee, often a percentage of the amount, is lower than the interest you’d save. Check the rate that applies after the promotion.

What if I keep using the card?

New purchases add to the balance and push the payoff date further out. The calculator assumes no new charges. If you use the card, paying new purchases in full each month keeps the plan on track.

Will paying off my card help my credit score?

Lowering your balances reduces your credit utilization, which is one factor in many credit scores. How much your score changes depends on your full credit profile.

Credit card payoff calculator: see when you could be free of your balance