Credit Card Payoff Calculator United States

A card balance falls slowly because interest is charged on what you carry each month before your payment is credited. Pay $200 against a $5,000 balance at 22 percent and roughly $92 of it goes to interest. This calculator walks your balance forward one month at a time at a fixed payment and tells you the month it hits zero, the total interest it took to get there, and whether your payment is large enough to make progress at all.

What the month-by-month simulation does

Each cycle the tool performs three operations in sequence. It adds one month of interest to the current balance. It subtracts your payment. It carries what remains into the next month. Then it repeats, counting cycles and accumulating interest, until the balance reaches zero.

Because interest is applied first, the part of each payment that reduces principal is what is left after the interest charge, and it grows every month as the balance shrinks. Early payments reduce the balance least and the last ones most, so a payoff that seems slow for a year speeds up later.

APR to monthly, and where your rate comes from

The calculator divides your APR by twelve and applies the result monthly. At 22 percent that is about 1.83 percent, so a $5,000 balance is charged roughly $92 before anything is repaid.

Most US credit cards carry a variable APR expressed as a margin over the prime rate, which tracks the Federal Reserve’s policy moves. When the Fed shifts, your card rate follows at the next cycle without anyone asking you. A card can also run several APRs at once: purchases at one rate, cash advances at a higher one with a transaction fee and no grace period, and a promotional balance at a third. Enter the rate attached to the balance you are actually attacking.

Purchases carry a grace period only if you pay the statement balance in full. The moment you carry a balance, new purchases begin accruing immediately, which is why continuing to spend on the card you are clearing quietly undoes the plan.

Where your extra payment legally has to go

Federal law settles a question that used to be an issuer’s discretion. Under 12 CFR 1026.53, any amount you pay above the minimum must be allocated to the balance with the highest APR first, then to the next highest, and so on down.

The practical consequence is that on a single card with mixed balances, paying more than the minimum automatically goes to the most expensive balance first. You do not need to phone anyone or write a memo on the check.

The payment that never clears the balance

If your monthly payment is smaller than the interest charged that month, the balance is larger at the end of the month than at the start, and repeating that forever does not fix it. On an $8,000 balance at 30 percent, the first month’s interest alone is $200, so a $150 payment moves you backwards.

The calculator identifies this rather than returning a payoff date that cannot happen. There are exactly three ways out: pay more, cut the rate through a transfer or a negotiated reduction, or get help. On the last of those, the statement you receive each month already carries a legally required disclosure showing how long the balance would take at the minimum payment alone and what payment would clear it in three years. Most people never read that box, and it is a strong case for setting a fixed payment.

Deferred interest and the last two billing cycles

Store financing sold as no interest if paid in full within a window is not the same product as a zero percent APR. If any balance remains when the promotional period ends, interest is charged retroactively on the entire original purchase from the date it was made. A card that looked free for eleven months can generate a year of interest in a single statement.

The payment allocation rule carves out an exception for exactly this. During the final two billing cycles before a deferred interest promotion expires, the issuer must direct your excess payment at the deferred balance first, ahead of higher-rate balances. That is a useful safety net, but it only operates in the last two cycles, so it is not a substitute for clearing the balance on your own schedule.

Running $5,000 at 22 percent

Start with $5,000 and pay a flat $200 a month. Month one adds about $92 of interest, so the balance falls to roughly $4,892. Month two adds slightly less. The balance clears in 34 months and costs about $1,750 in interest.

Raise the payment to $350 and the balance clears in 17 months, half the time, with about $851 of interest, slightly more than half the cost. Every dollar above the interest charge reduces principal directly, and a smaller principal generates less interest the next month.

Levers that shorten the timeline

Beyond paying more, three things work. A balance transfer to a zero percent introductory offer pauses interest for a fixed window, so weigh the transfer fee against the interest saved and mark the reversion date in a calendar. Asking your issuer for a rate reduction succeeds more often than people expect, particularly with a long clean payment history. And directing a lump sum at the balance the moment it arrives beats spreading the same money over months, because principal removed early never compounds again.

Assumptions and limits

This is a planning estimate, not a schedule from your issuer. It applies a single fixed payment, holds the APR constant for the whole term, and compounds once a month on the outstanding balance. Real cards often accrue interest daily, set a minimum that shrinks with the balance, run promotional rates that expire, apply variable APRs that move with prime, and charge fees the model ignores. New spending is not modeled either. Use the exact rate from your statement, and read the output as a guide to how fast a steady payment works rather than as a payoff agreement.

About This Credit Card Payoff Calculator

Use this credit card payoff calculator to get an instant estimate based on the figures you enter. Adjust the inputs above to match your situation, or browse all our calculators to plan your next step.