Credit card debt is among the most expensive money you can borrow, with rates that often top 20%. The good news is that a clear payoff plan turns an overwhelming balance into a finite, achievable goal. This calculator shows exactly how long it will take to become debt-free and how much interest you will pay, based on the balance, rate, and monthly payment you enter.
How credit card payoff is calculated
Each month, interest is added to your balance based on your APR, then your payment is applied — first to that interest, and whatever is left to the principal. The calculator repeats this month by month until the balance reaches zero, counting the months and totaling the interest along the way. The larger your payment relative to the balance, the faster interest stops compounding against you.
Why the payment amount matters so much
Because interest is charged on the remaining balance, paying more than the minimum has an outsized effect. Even an extra $50 or $100 a month can cut years off your payoff timeline and save hundreds or thousands in interest, since every extra dollar goes straight to principal.
A worked example
On a $5,000 balance at 22% APR, paying $150 a month takes about 47 months and costs roughly $1,900 in interest. Bump the payment to $250 a month and you are done in about 24 months with only about $1,150 in interest — finishing nearly two years sooner and saving hundreds.
Strategies to pay off faster
- Always pay more than the minimum — minimums are designed to keep you in debt for decades.
- Consider a 0% balance-transfer card to pause interest while you attack the principal.
- Stop adding new charges to the card while you pay it down, or the balance never falls.
- Automate a fixed payment higher than the minimum so progress happens without willpower.