Credit Card Minimum Payment Calculator

Where the minimum comes from

The minimum payment on your statement looks like a number the bank chose for you, but it isn’t. It is the output of a formula written into your cardmember agreement, applied to your balance every billing cycle. Two formulas dominate the U.S. market. The first is a flat percentage of the balance — commonly 1% to 3% — so a 2% minimum on a $5,000 balance is $100. The second is interest plus a slice of principal:

Minimum = (balance × APR ÷ 12) + 1% of balance

The issuer charges you all of the month’s interest, then adds about 1% of the balance on top so a little principal always goes down. On a 22.99% card that formula turns a $5,000 balance into a first minimum of $145.79 — $95.79 of interest plus $50.00 of principal.

Both formulas are then subject to a dollar floor, almost always in the $25 to $35 range. The floor is why a nearly-paid-off card still asks for a fixed small payment instead of a few cents: once the percentage falls below the floor, the floor takes over. Which formula your card uses, and where its floor sits, are the two levers that decide how long a minimum-only payoff will take — and they are spelled out in the agreement you accepted when you opened the account, usually under a heading like “how we calculate your minimum payment.” The calculator above lets you set both and see the number your specific card would produce.

Why the minimum shrinks every month

Here is the mechanism that makes the minimum so quietly dangerous: it is a percentage of a number that is falling, so it falls too. Pay down the balance and next month’s minimum is calculated on a smaller balance, so next month’s minimum is smaller. The payment that felt manageable at the start keeps getting easier — and that is precisely the problem. A shrinking payment is a decelerating payoff. Each month the bank asks for less, so most people pay less, and the balance inches down instead of dropping.

There is a second, subtler shift. At the start, a large share of your minimum is going to principal; near the end it is mostly interest and floor. Because the minimum tracks the balance, the early payments do real work and the later ones barely move the needle. Watch the two numbers the calculator surfaces: your first minimum and how much of it is interest. On the defaults, that first $145.79 minimum is already about two-thirds interest — and as the balance falls, the payment shrinks toward the $25 floor while the interest share climbs. You end up making dozens of small payments that are almost entirely interest, which is how a mid-sized balance quietly stretches across fifteen or twenty years. The declining minimum isn’t a feature that rewards progress; it is the throttle that keeps you in debt.

This is also why two people with the same balance and the same APR can have wildly different payoff timelines. The one whose card uses a slightly lower percentage, or a lower floor, is handed a smaller minimum — and if that is all they pay, they stay in debt longer and pay more, purely because their formula asked for less. Nothing about their situation changed except the number the statement printed. That is the quiet unfairness of anchoring to the minimum: the figure is engineered to be affordable, and affordability, month after month, is exactly what keeps the balance alive.

How long does paying only the minimum take?

Walk the calculator’s defaults: a $5,000 balance at 22.99% APR, an interest-plus-1% minimum, a $25 floor. Your first minimum is $145.79, and paying only the shrinking minimum from there clears the balance in 19 yr 4 mo while costing $8,489 in interest — more than the balance you started with. You would pay back $13,489 to retire a $5,000 debt, one small declining payment at a time.

That is not a quirk of the $5,000 figure. Here is the same 22.99% card, the same interest-plus-1% formula and $25 floor, across four balances — each compared against a level three-year payment on the identical debt:

Read the $5,000 row across: the fixed payment is only $47.73 a month more than the first minimum, and it cuts the payoff from 19 yr 4 mo to 3 yr and the interest from $8,489 to $1,967 — a $6,522 saving. The gap between the two columns is never about affording a much larger payment. It is about refusing to let the payment shrink.

Now change the formula to a flat 2% and raise the APR to 24.99%, and something worse happens. The monthly interest rate on a 24.99% card is about 2.08% — the APR divided by twelve. A flat 2% minimum on a $5,000 balance is $100, but that month’s interest is about $104. The payment does not even cover the interest, so the balance grows, and next month’s 2% minimum is calculated on a bigger number. The minimum-only plan never pays the balance off. The rule is simple and unforgiving: whenever the flat minimum percentage is below the monthly rate — roughly whenever the APR exceeds about twelve times that percentage — you go backwards forever. The calculator detects this and reports “Never” rather than an invented number.

Data bears out how common the slow version of this is. Our minimum-payment statistics study collects the research on how many households carry balances and pay at or near the minimum, and our explainer on how your minimum payment is calculated breaks down the exact formulas issuer by issuer.

What actually gets you out

The escape is almost embarrassingly simple: stop letting the payment shrink. Pick a fixed monthly amount and pay it every single month, regardless of what the statement’s minimum falls to. The most natural starting point is your minimum today — hold that same dollar figure flat instead of letting it decline, and you break the shrinking-minimum cycle entirely. Anything higher is better still. Because a fixed payment keeps hammering the balance at full force while the required minimum melts away beneath it, the payoff accelerates instead of decelerating.

The contrast is stark. On the defaults, holding a fixed payment of $193.52 a month — only $47.73 more than the first minimum — clears the same $5,000 in 3 yr and saves $6,522 in interest versus the minimum-only path. That is the whole game: a level payment, not a declining one. If you are juggling more than one card, our credit card payoff calculator handles several balances at once and compares the snowball and avalanche orderings so you know which card to attack first. To see how a given fixed payment splits between interest and principal on a single card, the credit card interest calculator lays out the monthly detail. The point is always the same: choose the number, hold it flat, and let the arithmetic work for you instead of against you.

Two habits make a fixed payment stick. First, automate it: set an autopay for your chosen dollar amount rather than for “the statement minimum,” so the payment can never quietly shrink underneath you. Second, resist the temptation to spend the room that opens up as the balance falls — the whole advantage of a level payment is that the gap between it and the dwindling minimum is doing the heavy lifting. Every month you hold the line, more of your payment reaches principal, and the payoff date pulls closer instead of receding. A flat payment you barely notice will beat a shrinking one you agonize over.

If you can’t clear it fast

Sometimes the balance is too large or the APR too high for a fixed payment alone to feel doable. When the interest itself is the enemy, the strongest move is to stop it. A 0% balance transfer moves your balance to a card that charges no interest for an introductory window — often 12 to 21 months — so every dollar you pay during that window goes entirely to principal instead of feeding interest. Used deliberately, it can turn a two-decade minimum-only grind into a balance you actually clear.

A transfer only wins if you finish before the 0% window closes, and there is usually a transfer fee to weigh. Our balance transfer calculator compares keeping your current card against moving to the offer, fee included, so you can see whether the interest you’d avoid beats the cost of admission. Once you’ve decided to transfer, the balance transfer payoff calculator gives you the single monthly payment that lands the balance at zero exactly when the promo expires. Between a held-flat fixed payment and a well-timed transfer, the minimum-payment trap is entirely avoidable — but only if you refuse to let the payment shrink.

One note on the rules behind all of this. In the United States, the Truth in Lending Act and its Regulation Z — strengthened by the CARD Act — require the minimum on a general-purpose credit card to at least cover fees and interest plus some portion of the principal, which is why a straight interest-only minimum is not permitted on these cards. The Consumer Financial Protection Bureau and the Federal Reserve oversee those requirements and publish consumer guidance on how minimums work. The details vary by issuer and product, so the specifics of your card live in your agreement — but the through-line is the one this tool exists to show: the minimum is the least you may pay, never a plan for getting out.

Disclaimer: This calculator is for educational purposes only and provides estimates based on the numbers you enter. It is not financial, legal, or tax advice. Actual loan terms, rates, and payments depend on your lender and personal circumstances. All calculations run in your browser — nothing you enter is stored or sent anywhere.