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

By DebtLab · Published June 10, 2026 · Updated June 10, 2026

A $5,000 credit card balance at 24% APR takes 56 months and $3,322.09 in interest to pay off at $150 a month, but only 21 months and $1,143.34 at $300 a month — doubling the payment cuts the payoff time by nearly two-thirds, not half.

The answer depends almost entirely on the payment

There is no fixed payoff time for a credit card balance, because a card has no term — the clock is set by how much you send each month relative to how fast interest accrues. Running a $5,000 balance at 24% APR through the DebtLab payoff simulation: at $150 a month the balance clears in 56 months (4 years and 8 months) with $3,322.09 of total interest, for $8,322.09 paid in all. At $300 a month the same balance clears in 21 months with $1,143.34 of interest, for $6,143.34 paid in all.

Those two timelines bracket the realistic range for many cardholders: the difference between a payment that mostly services interest and one that retires real principal every month is 35 months of debt and $2,178.75 of interest on the same starting balance. The figures are month-by-month simulation estimates from the numbers entered, not a quote from your issuer.

How interest accrues on a card month to month

Card interest is quoted as an annual percentage rate, and the simulation applies one twelfth of it to the outstanding balance each month. At 24% APR that is 2% a month, so a $5,000 balance generates $100 of interest in the first month. Your payment lands against balance plus interest, and only what is left after covering the interest reduces the debt itself.

Real issuers compute interest a little differently — most accrue it daily on the average daily balance, so a statement can differ from the monthly model by a few dollars in either direction. The CFPB's explanation of how card companies calculate interest covers the daily-balance method. For planning the payoff timeline, the monthly approximation tracks the same curve.

The payment-size cliff — why doubling the payment more than halves the time

On the $5,000 balance at 24% APR, the first month's interest is $100 no matter what you pay. A $150 payment therefore retires only $50 of principal, while a $300 payment retires $200 — four times the principal for twice the money. That leverage is why the payoff time falls from 56 months to 21, a 62% reduction, rather than the 50% you might expect from doubling the payment.

The cliff has a hard edge at the bottom. Any payment at or below the first month's interest makes no progress at all: on $5,000 at 24% APR the simulation reports $101 as the smallest payment that moves the balance ($100 of interest plus one dollar of principal). Just above that threshold, payoff times stretch toward decades; each extra dollar of payment near the threshold buys back disproportionate amounts of time and interest.

A second worked example — $8,000 at 22% APR

The same pattern holds at other balances and rates. An $8,000 balance at 22% APR paid at $250 a month takes 49 months and $4,158.37 of interest, for $12,158.37 in total. Doubling the payment to $500 a month cuts the timeline to 20 months and the interest to $1,555.97 — a saving of $2,602.40 and 29 months from the same starting debt.

Here the monthly interest in the first month is about $146.67 (22% divided by 12, applied to $8,000), so the minimum payment that makes any progress is $147.67. At $250 a month, roughly $103 of the first payment is principal; at $500, roughly $353 is. The ratio of principal retired explains nearly all of the difference in outcome.

Working backwards from a payoff date

If you would rather pick the date and solve for the payment, the same engine runs in reverse using the standard level-payment formula. To clear $5,000 at 24% APR in 18 months takes $333.51 a month and $1,003.19 of total interest. Stretching the target to 30 months drops the payment to $223.25 but raises total interest to $1,697.49 — each extra year of runway costs real money at card rates.

The pay-off-by-date view of the calculator does this solve for any balance, APR, and deadline. A solved payment set up as an automatic monthly transfer also removes the re-deciding problem: the declining minimum on your statement will always be the smaller, slower option, and a fixed commitment beats choosing against it every month.

What these estimates include — and what they leave out

All figures on this page come from a pure month-by-month simulation: one twelfth of the APR accrues, the payment lands, the final month is capped at what is actually owed. The model assumes the balance is frozen — no new purchases, no fees, no rate changes. Keep spending on the card and every timeline above lands short.

These are planning estimates, not credit counseling or a payoff quote from an issuer. APRs on revolving accounts move with market rates — the Federal Reserve's G.19 consumer credit release tracks average rates on card accounts — so re-run the numbers with your statement's current APR before committing to a budget.

Questions

How long does it take to pay off $5,000 at 24% APR?
It depends on the payment. The simulation shows 56 months at $150 a month ($3,322.09 of interest), 21 months at $300 a month ($1,143.34 of interest), and 18 months at a solved payment of $333.51 ($1,003.19 of interest). Anything at or below $100 a month never pays it off.
Why does doubling my payment cut the time by more than half?
Because interest claims a fixed slice of every payment first. On $5,000 at 24% APR the first month's interest is $100, so a $150 payment retires $50 of principal while a $300 payment retires $200 — four times the progress for twice the money. The timeline falls from 56 months to 21.
What if my payment is less than the monthly interest?
The balance grows instead of shrinking and the debt never clears. The calculator flags that case and reports the smallest payment that makes progress — $101 on $5,000 at 24% APR, or $147.67 on $8,000 at 22% APR.
Will these numbers match my card statement exactly?
Not to the penny. Issuers accrue interest daily on the average balance and round differently, and the model assumes no new purchases or fees. Treat the results as a close planning estimate rather than a quoted payoff schedule.

Sources

  1. CFPB — What is a credit card interest rate? What does APR mean?
  2. CFPB — How does my credit card company calculate the amount of interest I owe?
  3. Federal Reserve — Consumer Credit (G.19) release

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