Why Your Credit Card Balance Never Goes Down: The Minimum Payment Math

You pay the card every month. You’re never late. And the next statement looks almost identical to the last one.

That isn’t your mistake and it isn’t a billing error. On many cards the minimum is built to cover that month’s interest plus about 1% of what you owe, so roughly two-thirds of an early minimum payment goes to interest and only a third touches the debt.

A $7,500 balance at 22% APR, no new purchases, minimum payments only: 237 payments, 19 years and 9 months, and $12,256 in interest on top of the $7,500 borrowed.

Neither figure is a worst case. The Federal Reserve’s G.19 release put the average rate at 22.15% on card accounts charged interest in the second quarter of 2026, and Americans owed $1.263 trillion on cards according to the New York Fed.

The math, month by month

Assumptions, stated plainly: $7,500 to start, no new purchases, no fees; 22% APR, which is 1.8333% a month; a minimum of 1% of the balance plus that month’s interest, never below $35. Many large issuers use a formula like this. Yours is in your cardholder agreement.

Month 1: you send $212.50, the bank keeps $137.50, and $75 comes off the debt.

Month 60: after five full years of on-time payments you’ve paid $6,227 in interest and still owe $4,104. Ten years in, you still owe $2,245.

19 years and 9 months, and $12,256 in interest. About $1.63 of interest for every dollar borrowed.

Why the payment keeps shrinking

Look down the payment column. It starts at $212.50, drops to $190 after a year, $117 after five.

The payment is a percentage of the balance, so every dollar of progress lowers the next bill, and a lower bill means slower progress. The debt feels lighter each year while the finish line slides toward two decades.

One change undoes it. Keep paying $212.50, the first month’s minimum, and never let it fall. Same card, same rate, same first-month budget. The debt clears in 58 months with $4,682 in interest instead of $12,256.

The $35 floor barely matters here: the formula stays above it until about month 180, by which point you’ve already paid roughly $11,500 in interest.

All of this assumes you stop using the card. Pay $212 and charge $150 in the same month and the balance falls by $75, not $212. That’s the most common reason a balance stalls for years.

The box on your own statement

Your version of this math is already printed on page one, usually near the due date, because federal rules require it. The CFPB calls it the minimum payment warning, and it carries two numbers: how long the balance takes on minimums alone, and what you’d pay monthly to clear it in 36 months.

Three routes, each with a cost the ads don’t lead with.

None of it works if the cards fill back up. Move $7,500 to a loan, run the cards up again, and you owe both.

If the numbers don’t work on your own, a nonprofit credit counseling agency will review your budget for free or a small fee, and may offer a debt management plan with lower negotiated rates. Ask about fees first. Walk away from any company that promises to make the debt disappear, tells you to stop talking to your card issuer, or charges before anything is settled. Those are the CFPB’s red flags. For phone sales, that up-front fee is illegal.

Three changes, side by side

Same $7,500, same 22%, no new purchases. Only the payment changes.

The second row is the one to look at twice. It costs nothing extra in month one. The entire saving comes from refusing the smaller bill the card keeps offering.

And a word on chasing a lower rate instead. At 17% rather than 22%, the same minimum-payment schedule still runs about 19 years, because the formula keeps repaying only 1% of the balance a month. Interest falls from $12,256 to roughly $9,320. Real money, but about a quarter of what holding the payment flat saves. A lower rate does its work only when the payment stays up.

So if you change one thing this week, change the automatic payment from “minimum due” to a fixed dollar amount, and set it at least at this month’s minimum.