Credit Card Payoff Calculator

How it works

Credit card debt is among the most expensive forms of consumer debt. Average APRs hover above 20% in many markets, and minimum payments are deliberately structured to maximize the time you spend in debt and the interest the issuer collects. This calculator shows you exactly how long it will take to pay off a balance at a fixed monthly payment and how much total interest you will hand over to the issuer.

The math is simple. Each month, the issuer adds (balance × monthly rate) in interest to your balance, and your payment subtracts from the balance. If your payment is less than or equal to the monthly interest, the balance grows forever — the calculator flags this case as "impossible" so you can see immediately that you need a higher payment.

Two strategies dramatically reduce credit card debt. First, increase your payment well above the minimum. Even an extra $50–100 a month can shave years off the payoff time. Second, lower the rate. A 0% balance-transfer offer (typically 12–21 months) lets every dollar of payment go to principal during the promo period. Carefully read the fee — usually 3–5% of the balance — and have a plan to pay off before the promo expires, when rates spike.

Other useful approaches include the avalanche method (pay the highest-rate card first to minimize total interest) and the snowball method (pay the smallest balance first for psychological wins). Both work; pick the one you'll actually stick with. And once a card is paid off, leave it open — closing it reduces your total available credit and can hurt your credit score.

Build the habit of paying the statement balance in full each month. That avoids interest entirely while still building credit history.