Credit Card Payoff Calculator

A credit card is a form of revolving debt: you can borrow up to a limit, repay some or all of it, and borrow again. Unlike an installment loan with a fixed payoff date, a credit card balance can linger for years if you only make minimum payments — and that's exactly how card issuers earn so much in interest.

The danger lies in the combination of high APRs and low minimum payments. Many cards charge 18–29% APR, and minimums are often set at just 1–3% of the balance plus interest. At that pace, a large chunk of every payment goes toward interest, barely touching the principal. A balance that feels manageable can take a decade or more to clear, with total interest sometimes exceeding the original amount borrowed.

Interest on credit cards typically compounds daily. The issuer applies a daily periodic rate (your APR divided by 365) to your balance each day, so carrying a balance even briefly adds up. This is why paying your statement in full each month — avoiding interest entirely during the grace period — is the single best credit card habit.

When you do carry a balance, the math strongly favors paying more than the minimum. Because interest is charged on the remaining balance, every extra dollar you pay reduces both the principal and all the future interest that principal would have generated. Even a small fixed addition to your payment — say $50 a month — can cut years off the payoff timeline and save substantial interest.

Other strategies can help accelerate payoff: a 0% balance transfer card temporarily pauses interest so your whole payment attacks the principal, and a debt consolidation loan can replace high card APRs with a lower fixed rate. Whichever route you take, the key insight from this calculator is the same — the faster you pay, the less the debt costs, and the difference is usually far larger than people expect.