Credit card payoff by APR calculator

Key takeaway: Your APR is a price, and prices can be shopped. On a $6,200 balance at $160 a month, carrying the debt at 25% instead of 15% costs an extra $4,246 in interest and more than two extra years — a gap created by the rate alone.

This calculator is built for rate shopping. If you're weighing a balance-transfer offer, rehearsing a rate-reduction call, or comparing cards with different APRs, it holds your balance and payment steady and prices each candidate rate in months and dollars. If you just want a payoff date at the rate you have, the standard payoff calculator is the simpler tool.

Start with the rate you're actually paying

Before comparing rates, confirm yours. Your monthly statement includes an interest-charge table listing every APR applied to your account — purchases, cash advances, and balance transfers each get a line. Enter the purchase APR, the one charged on ordinary carried balances. Most card rates are variable, pegged to the prime rate, so last year's approval letter may no longer match this month's statement. For a benchmark, the average APR on card accounts currently charged interest is 24.35% per the Federal Reserve's G.19 release — a quick way to judge whether your rate is typical, high, or worth fighting.

Why $160 buys more at 15% than at 25%

A payment never reduces your balance dollar for dollar — the month's interest gets settled first, and only the remainder shrinks what you owe. On $6,200, a month at 15% generates $77.50 of interest, so $82.50 of a $160 payment reaches the balance. At 25%, interest takes $129.17 and only $30.83 gets through — less than a fifth of the payment. Principal falls more than two and a half times as fast at the lower rate, and over the full payoff the gap becomes 54 months and $2,331 of interest at 15% versus 80 months and $6,577 at 25%.

Reading the sweep table

The table reruns your balance and payment once per APR, with your own rate slotted into the lineup so you can read in either direction from your row. Upward prices the rates you might move to — at the defaults, the 0% row means just over three years and zero interest. Downward shows the cost of drift: at 30%, the same $160 payment costs $16,257 in interest, over two and a half times the original debt. A row marked "Never pays off" means interest at that rate outruns your payment entirely — the APR ceiling your payment can survive.

When a lower rate beats a bigger payment — and when it doesn't

Both levers work at the defaults, but not identically. Cutting the rate five points to 17.9% — no extra cash required — trims the payoff from 72 to 59 months and saves about $2,061 in interest. Adding $25 a month at the original 22.9% finishes five months sooner (54 months) but saves less, about $1,399. In dollars, the rate cut wins; on the calendar, the payment bump does. The rule: the longer a balance will live, the more a rate cut is worth, because the savings accrue every remaining month. When payoff is already short — a small balance, a large payment — the rate barely has time to matter, and raising the payment does more. The two also stack; to price the payment side of the trade, use the extra payments calculator.

Three realistic ways to lower the rate

Ask. Call your issuer and request a rate review. These get granted more often than people expect, especially with a long on-time record and a competing offer to cite.

Improve your credit. Card pricing is tiered by credit score, and the tier you were approved at isn't necessarily the tier you'd qualify for today. Slow, but it lowers the rate on every future borrowing decision.

Move the balance. A 0% intro offer is the largest rate cut available — the 0% row in the table shows its upper bound — but transfer fees eat into it, so run the specific offer through the balance transfer breakeven calculator before applying.

How we calculate this

Every row uses the same arithmetic: divide the APR by twelve to get a monthly rate; each month, multiply the remaining balance by that rate to get the interest charge, subtract it from your payment, and put whatever survives toward the balance; repeat until the balance hits zero.

At the defaults — $6,200 at 22.9% with $160 a month — the first month's interest is $118.32 (22.9% ÷ 12 applied to the balance), so only $41.68 touches the debt. As the balance falls, the interest charge shrinks and more of each $160 gets through, until payoff arrives after 72 months — six years — with $5,184.81 paid in interest and $11,384.81 paid in total on a $6,200 debt. The calculator repeats that identical loop at every APR in the range and lines the results up.

Frequently asked questions

My statement lists several APRs — which one do I enter?

Use the rate attached to the balance you're working on — for most people, the purchase APR. Cash advances usually carry a higher rate, and a penalty APR overrides the others if triggered; your statement's interest-charge table shows which applies.

Why compare APRs instead of just entering my own rate?

Your own rate tells you one timeline. Sweeping a range prices the rates you're shopping — a balance-transfer card, a consolidation loan, a negotiated cut — in the same units (months, dollars) as your current situation.

Why does a small APR difference matter so much on a big balance?

Interest is a percentage of the balance you carry, so each APR point's dollar cost scales with the balance. A few points on a small balance is pocket change; the same points on a five-figure balance is real money — exactly what the table makes concrete.

Can I really get my APR lowered just by asking?

Sometimes, yes. Issuers often prefer keeping a customer to losing the balance to a transfer offer, so a call citing an on-time record and a competing rate can win a cut. A no costs nothing, and the table shows what a few points are worth.

Should I use this table to decide on a balance transfer?

It's a good first filter. If a lower APR saves a lot at your numbers, run the exact offer through the balance transfer breakeven calculator before applying — transfer fees change the math.

Sources

• Federal Reserve, G.19 Consumer Credit report (Federal Reserve G.19 Consumer Credit report, as of 2026-05-01)
• Consumer Financial Protection Bureau, Credit cards