How this calculator works
Each month: interest = balance × APR/12, then your payment covers interest first and the rest reduces principal. If your payment is below the monthly interest, the balance grows and never clears — the calculator warns you.
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Credit Card Payoff Calculator — With Extra Payments
Credit card interest is calculated monthly on the remaining balance, so minimum payments can stretch for decades. Enter your balance, APR and a realistic monthly payment — then add extra to see the difference.
Scenario examples (2026 rates)
| Card balance ($) | Debt-free in | Total interest paid |
|---|---|---|
| 2,500 | 1 yr 3 mo | $365.8 |
| 3,750 | 2 yr 0 mo | $887.32 |
| 5,000 | 2 yr 10 mo | $1,749.88 |
| 7,500 | 5 yr 5 mo | $5,304.92 |
| 10,000 | 11 yr 5 mo | $17,356.12 |
Every number above is computed by the same in-browser engine as the calculator — nothing is hardcoded.
Why minimum payments trap balances for decades
Card interest accrues daily or monthly on the statement balance, and the minimum payment is deliberately sized to hover just above that accrual. On $5,000 at 22 percent APR, interest alone runs about $92 in the first month. A 2 percent-plus-interest minimum of roughly $192 therefore puts only $100 toward principal, and as the balance falls the minimum falls with it, keeping principal reduction tiny for years. Stretch that dynamic over a full payoff and a minimum-only borrower can pay more than 20 years and more in interest than in original balance. Issuers are required to print the minimum-payment payoff time and cost on every statement, under the CARD Act disclosure box, and the numbers there routinely surprise cardholders. The fix is structural rather than behavioral: choose one fixed monthly payment above the minimum, enter it here, and never lower it. The calculator shows the payoff date shrinking by months for each $25 added.
How extra payments compound into savings
Every extra dollar applied to principal stops earning interest from that day forward, so early extra payments carry the longest tail of savings. Take $5,000 at 22 percent with a $200 fixed payment: payoff lands in about 34 months with roughly $1,750 of interest. Raise the payment to $250 and the balance clears in about 25 months with $1,285 of interest, an eight or nine month reduction and around $465 saved for an extra $50 per month. The same logic scales: on a $10,000 balance at 22 percent, a $300 payment takes about 52 months and $5,600 of interest, while $400 cuts that to roughly 32 months and under $3,000. Direct any windfalls, tax refunds, bonuses, to principal explicitly rather than letting the issuer advance your due date. The order of attack across multiple cards matters less than the size of the total extra payment; see the debt payoff calculator for multi-card strategies.
Interest-free grace period versus carrying a balance
Cards charge no purchase interest when you pay the statement balance in full by the due date, because the grace period applies. Carry any balance past the due date and most issuers kill the grace period entirely: new purchases start accruing interest the day they post, sometimes retroactively through average daily balance methods, until you pay in full for one or two consecutive cycles. This is why revolving even $200 makes a card feel like it charges interest on everything. Two habits restore the math: pay the statement balance in full each month, or if you must revolve, stop using the card until the balance clears, because new purchases are the most expensive money on it. When the grace period is gone, the effective APR on spending is far above the advertised rate, and the fastest repair is a single payment that zeroes the statement, then a fixed plan modeled here for whatever remains.
FAQ
What is the average credit card APR in 2026?
Roughly 21–23% for accounts assessed interest. A $5,000 balance at 22% accrues about $92/month in interest alone.
How much does an extra $50/month save?
On $5,000 at 18% APR paying $200/mo, adding $50 cuts the payoff from 32 months to about 25 and saves roughly $230 in interest. Run your own numbers above.
Snowball or avalanche?
Snowball (smallest balance first) wins on motivation; avalanche (highest APR first) wins on math. Both beat minimum payments by miles — our debt payoff calculator runs snowball.
How is my minimum payment actually calculated?
Most issuers use one of two formulas: a flat percentage of the balance, commonly 2 to 3 percent, or that percentage plus the monthly interest and any fees, whichever is higher. On a $5,000 balance at 22 percent APR with a 2 percent plus interest formula, the first minimum runs about $192, and because it is recalculated as the balance falls, the payment shrinks every month, which is why minimum-only payoff can stretch past 20 years. This calculator uses your fixed payment instead, which is the realistic planning number. Enter at least the current minimum, then add whatever extra you can sustain; a fixed payment that never shrinks is what turns a 20-year minimum-payment slog into a two or three year payoff.
What does a balance transfer really cost?
A typical 2026 offer is 0 percent APR for 12 to 21 months with a transfer fee of 3 to 5 percent. On a $5,000 balance the fee is $150 to $250, which is still far below the $92 per month that 22 percent APR charges. Three rules make it work. The transfer must be completed within the introductory window; interest at the regular rate resumes on the remaining balance the day after. New purchases on the transfer card often carry interest immediately unless the offer includes 0 percent on purchases too. And missing a single payment can trigger a penalty APR near 30 percent and cancel the intro rate. Transfers suit balances you are confident of clearing within the promo period; for longer payoffs, the fixed-payment plan in this calculator beats serial transfers.
Can my issuer lower my APR if I just ask?
Often, yes. Studies of negotiation attempts have found that a majority of cardholders who call and ask for a lower rate succeed at least partially, with typical reductions of two to five percentage points. The script that works: state that you have been a customer in good standing for a number of years, that you have received competing offers, name the APR you want, and ask for retention or a supervisor if the first representative refuses. A drop from 22 to 18 percent on a $5,000 balance saves about $17 per month of interest, and every dollar saved goes to principal if your payment stays fixed. Ask once or twice a year; it costs nothing, and combine any reduction with the payment plan you model here.