Quick answer: Most card issuers set your minimum payment as the greater of a flat floor (often $25 to $40) or roughly 1% of your balance plus that month’s interest and any fees. Paying only that amount on a $5,000 balance at 24% APR takes about 19 years and costs roughly $8,900 in interest, by our estimate. Your own statement has the exact terms, and the math below lets you check them.
Key takeaways
- The minimum shrinks as your balance shrinks, which is why minimum-only payoff drags on for years.
- A $5,000 balance at 24% APR can cost about $8,900 in interest at the minimum, versus about $3,300 if you lock in a fixed $150 payment.
- Adding just $50 a month to that fixed payment cuts the time to roughly 3 years.
- Your statement shows your issuer’s exact formula and a payoff-time estimate. Trust it over any rule of thumb.
A credit card minimum payment calculator is really just a loop: charge interest, take the minimum, repeat until the balance hits zero. Once you see that loop, the minimum stops looking like a bill and starts looking like a slow-motion interest subscription. Here is how the number is built and what it costs.
Want to see if a lower rate could shorten that timeline? Request free, no-obligation rate options using the form on this page.
How issuers calculate your minimum payment
Every issuer words it a little differently, but the common recipe has three parts:
- A percentage of the balance: usually 1% to 2% of what you owe on the statement date.
- Plus interest and fees: many issuers add the month’s finance charges and any late or over-limit fees on top of that percentage.
- A floor: a minimum dollar amount, often $25 to $40 (estimate; it varies by issuer), used when the formula spits out something smaller.
If your balance is below the floor, you simply owe the whole balance. Some cards use a flat percentage instead (for example, 2% to 3% of the balance with no interest added). Past-due amounts and any promotional-plan payments can also be rolled in.
Where to find yours: look at the minimum payment warning box on your monthly statement. Federal rules require it to show how long payoff would take at the minimum and the total cost, plus the monthly payment needed to finish in 36 months. Your cardholder agreement spells out the formula itself.

Credit card minimum payment calculator: worked examples
These examples use a common formula: the minimum is 1% of the balance plus the month’s interest, with a $25 floor. They are simplified estimates with no new purchases and no fees. Your card’s terms will differ.
Example 1: $5,000 at 24% APR
- Month 1: interest is $100 (2% a month), plus 1% of the balance ($50), so the minimum is $150.
- Only $50 of that reduces what you owe. The other $100 is interest.
- Time to pay off: about 19 years (roughly 234 months).
- Total interest: about $8,900, on top of the original $5,000.
Example 2: $3,000 at 20% APR
- Month 1 minimum: about $80 ($50 interest plus $30).
- Time to pay off: about 14.5 years.
- Total interest: about $4,000, more than the original purchases.
Same $5,000 at 24%, but you fix the payment
- Keep paying $150 every month (the first month’s minimum, never lowered): about 56 months, about $3,300 in interest.
- Pay $200 a month: about 35 months, about $2,000 in interest.
Same card, same balance. The only change is refusing to let the payment shrink. To run your own numbers, plug your balance and APR into our credit card payoff calculator and compare a fixed payment against the minimum.
A shrinking minimum is a payment plan designed to be as long as possible.
Why the minimum keeps you in debt
The trap is in the formula. Because the minimum is tied to your balance, it drops every month as the balance drops. A lower payment means less principal paid, which means a slower decline next month.
- Interest eats most of the early payments. In Example 1, two-thirds of the first payment is interest.
- The floor creates a long tail. Once the balance falls to the floor level, a $25 payment barely outruns 2% monthly interest, so the last few hundred dollars can take years.
- New purchases reset the clock. Any new charge on the same card adds to the balance and interest.
For a deeper look at the interest side, see our upcoming guide on how credit card interest is calculated.

Build your own minimum payment calculator
You do not need special software. A spreadsheet or a sheet of paper works. Follow these steps with your latest statement in hand:
- Write down your balance and APR. Divide the APR by 12 to get the monthly rate (24% becomes 2%).
- Calculate this month’s interest: balance times the monthly rate.
- Find your minimum: apply your issuer’s formula, such as 1% of the balance plus the interest, or the floor if higher.
- Subtract principal: payment minus interest equals the amount that reduces your balance.
- Repeat with the new balance until it reaches zero, and add up all the interest.
Then run a second column where the payment never drops. The gap between the two columns is the real cost of paying the minimum. Our debt payoff calculator and the free Debt Burn-Down Calculator do this loop for you across multiple balances.
Pro tip: Set up autopay for the minimum as a safety net, then make a separate manual payment for the extra. That way a tight month never triggers a late fee.
Freeze your payment at today’s minimum and you can cut years off the payoff without finding a single extra dollar.
Small changes that beat the minimum
You do not need a windfall. Try these in order:
- Freeze the payment. Pay this month’s minimum every month, even as the required amount falls. That alone turned 19 years into under 5 in our example.
- Round up. Rounding $150 to $200 saves roughly $1,300 more in interest and about 21 months.
- Stop new charges on the card you are paying down, or the balance keeps refilling.
- Pick a payoff order. With several cards, pay minimums on all and aim every extra dollar at one. Our debt payoff plans guide compares snowball and avalanche.
- Find the cash. A few of the money saving challenges that free up cash for debt can fund the extra $50 to $100.
Lower the rate, not just the balance
In Example 1, interest takes $100 of every $150 payment at 24%. Cutting the rate changes the whole picture. Common ways to do it:
- 0% balance transfer card: move the balance to a promotional rate and pay it down while interest is paused or reduced. Check the fee first with our balance transfer calculator and the guide to balance transfer fees. Our balance transfer guide covers the full process.
- Consolidation loan: swap several card balances for one fixed-rate loan with a set end date.
- Ask your issuer: some will lower the APR on request. We are working on a guide to how to negotiate a lower credit card interest rate.
Whichever route you take, keep your payment at the old level so the savings go toward principal. Approval, rates and fees depend on your credit and the lender, and no outcome is guaranteed. For general credit card consumer protections, the Consumer Financial Protection Bureau is a useful non-commercial resource.
Ready to compare your options? Request free, no-obligation ways to lower your interest rate with the form on this page, or browse our lower your rate page first.
FAQ
Is the minimum payment the same as the interest charged?
No. On most cards the minimum is a bit more than the month’s interest, so a small slice reaches your principal. On some cards at high APRs the gap is very small. Check the statement for the interest charged line.
Does paying only the minimum hurt my credit score?
On-time minimum payments are not reported as late, but carrying a high balance relative to your limit can lower your score through credit utilization. Missing the minimum can hurt much more.
Why did my minimum payment go down?
Because it is usually calculated from your balance. As the balance falls, so does the required payment. That is why paying a fixed amount is more effective.
How do I know my card’s exact minimum formula?
Read the minimum payment section of your cardholder agreement and the warning box on your statement. If it is unclear, contact your issuer. Always rely on those documents over any online example, including ours.
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