How the minimum payment trap works
This calculator models the most common issuer formula: each month’s minimum is the interest accrued plus 1% of your balance, with a $25 floor. That construction has a property card issuers love: the payment shrinks as you make progress, so the payoff curve flattens into years — routinely more than two decades on a mid-size balance. Meanwhile a fixed payment, even a modest one, gets more effective every month, because a constant payment against a shrinking balance means an ever-growing share goes to principal.
The single most effective move costs nothing: freeze your payment at today’s minimum instead of letting it slide down. Same starting outlay, radically different ending.
Getting out faster
- Fix the payment — the comparison above shows what your chosen amount saves versus the sliding minimum.
- More than one card? Order of attack matters less than consistency, but math favors the highest APR first — compare both strategies with our snowball vs. avalanche calculator.
- 0% balance transfer — powerful if (and only if) you can clear most of the balance during the intro period and stop new charges.
- Call your issuer — hardship programs with reduced APRs exist and are underused; a 10-minute call can cut your rate temporarily.
Frequently asked questions
How is a credit card minimum payment calculated?
Most U.S. issuers use “interest and fees plus 1% of the principal balance,” with a floor of $25–$35. Some use a flat 2–3% of the balance. Because the payment shrinks as the balance shrinks, the payoff stretches across decades — the design keeps you paying interest as long as possible.
Why does paying the minimum take so long?
Early on, most of the minimum payment is swallowed by interest: on $5,000 at 24.99% APR, the first month’s interest is about $104, so a $154 minimum only retires $50 of debt. As the balance drops, the minimum drops too, so the small progress never accelerates. A fixed payment breaks that pattern — every month the same payment covers less interest and more principal.
Does paying only the minimum hurt my credit score?
Not directly — minimum payments count as on-time payments. But the slow payoff keeps your credit utilization high, and utilization is roughly 30% of your score. Carrying a large balance month after month is what drags the score down.
Is a balance transfer worth it?
Often, yes. A 0% intro APR transfer (typically 12–21 months, with a 3–5% transfer fee) stops the interest clock, so every dollar you pay hits principal. It only works if you can realistically clear most of the balance during the intro window and you stop adding new charges — otherwise you’ve just moved the problem.
Should I pay off my card or invest?
At 20–30% APR, paying off card debt is a guaranteed return no investment can match. The standard order: capture any 401(k) employer match first (it’s an instant 50–100% return), then attack the card debt hard, then invest.