Credit Card Payoff Calculator
See the real cost of paying only the minimum, and what extra payments save.
Your card balance and terms
Common issuer formula: 1-3% of the balance.
The minimum dollar amount, even on small balances.
Compared alongside the $50 and $100 scenarios.
Paying only the minimum
Never pays off
Total interest: $34,784
The effect of paying extra
+$50/month
4 yr. 4 mo.
$2,798 interest
+$100/month
2 yr. 10 mo.
$1,750 interest
Estimate calculated from the numbers you entered. This is not financial, tax, or legal advice — always consult a qualified professional before making significant financial decisions.
How the Credit Card Payoff Calculator works
This tool simulates paying down your card balance month by month under the real minimum-payment formula issuers use (a shrinking percentage of a shrinking balance), and compares it against paying a fixed $50 or $100 extra every month instead.
- Avalanche — highest rate first
- Snowball — smallest balance first
The formula
Minimum payment = max(Balance × Minimum %, Floor $)The minimum-only scenario recalculates this payment every month as the balance shrinks. The extra-payment scenarios lock in a fixed monthly payment (your first month's minimum, plus the extra amount) and hold it constant until the balance reaches zero.
Worked example
An $8,000 balance at 22% APR, with a 2% minimum and a $25 floor, gives a first minimum payment of $160. But one month of interest on that balance is $8,000 × 22% ÷ 12 = $146.67. So of the $160 you send, only $13.33 actually reduces what you owe — the other 92% just pays the lender for the privilege of carrying the debt another month.
This is why minimum payments feel like they go nowhere, and it gets worse as the balance falls: the minimum shrinks along with it, stretching the payoff over decades. Adding a fixed $100 on top changes the arithmetic completely, because the extra goes entirely to principal — and unlike the minimum, it doesn't shrink as the balance does. The comparison above shows exactly how many months and how many dollars of interest that buys back.
Common mistakes
- Assuming the minimum payment stays the same dollar amount every month — it usually shrinks as your balance does.
- Only opening new cards to spread balances around instead of paying down the highest-APR balance first.
- Underestimating how much a small, consistent extra payment compounds over years.
Frequently asked questions
Why does paying only the minimum take so long?
Card issuers typically set the minimum payment as a small percentage of your CURRENT balance (often 1-3%), recalculated every month. As you pay down the balance, the required minimum shrinks too — so a shrinking payment on a shrinking balance can stretch payoff out for decades, and often means most of what you pay covers interest rather than principal.
How does the extra $50 or $100 actually help?
Adding a fixed extra amount on top of your first minimum payment, and then KEEPING that fixed amount constant every month (rather than letting it shrink with the balance like the minimum does), pays down principal much faster. Even a modest $50/month extra can cut years off a payoff timeline and save meaningful money in interest, because more of every payment goes toward principal from the very first month.
What if the calculator says minimum payments never pay off the balance?
That happens when the minimum payment barely exceeds — or doesn't exceed — the interest accruing each month, so the balance shrinks by almost nothing. This is a realistic outcome for high-APR cards with low minimum-payment percentages, and it's exactly the scenario financial counselors warn about: on paper you're making payments every month, but you're making almost no real progress.
Should I pay off my highest-interest card first?
Generally yes — this is called the debt avalanche method, and it minimizes total interest paid across multiple cards. Some people prefer the debt snowball method (paying off the smallest balance first for a motivational win) even though it costs slightly more in interest. This calculator focuses on a single card; use the site's Debt Payoff Calculator to compare avalanche vs. snowball across multiple debts.
What actually moves this number
Specific levers, and roughly what each one is worth. Not “save more” — the things that change the figure above by an amount you can measure.
Pay before the statement date, not the due date
Issuers report the statement balance, so utilization is measured on that day. Paying down before it drops reported utilization within one cycle — one of the few credit score inputs that responds in weeks rather than years.
Pay a fixed amount instead of the minimum
Minimums shrink as the balance does, which is what stretches repayment over years. Fixing the payment at today's minimum and never lowering it converts an open-ended balance into a finite schedule without spending an extra dollar.
Read the balance transfer fee before the rate
A 3-5% transfer fee on $10,000 is $300-$500 up front. That is worth paying to escape a 22% rate, and not worth paying to move a balance you would clear in six months anyway.
Split the payment across the month
Card interest usually accrues daily on the average daily balance. Paying half mid-cycle and half at the due date lowers that average and reduces the interest charged, at no extra cost to you.
What this calculator does not cover
Every calculator simplifies, and the useful thing is knowing exactly where. These are the specific gaps between this estimate and your real situation:
- Minimum payments are modeled from a typical formula. Your issuer sets its own, and the exact minimum affects the payoff timeline considerably.
- It assumes no new purchases on the card. Adding spending while paying down is the main reason projected payoff dates are missed.
- Promotional and penalty rates are not modeled. A 0% period ending, or a penalty rate triggered by a late payment, changes the schedule sharply.
- Card interest usually compounds daily on the average daily balance, so real interest can differ slightly from a monthly-compounding estimate.
For anything that turns on an exact figure, use the primary sources below or a qualified professional. How these limits are decided and disclosed is described in the editorial standards.