Credit Card Minimum Payment Calculator
A credit card minimum payment calculator simulates a common minimum formula: the greater of a percentage of the balance or a fixed dollar amount. Actual issuer formulas may add interest, fees, past-due amounts, or special balances.
Quick answer
Minimum payments usually decline as the balance falls, which can make payoff take far longer and cost much more interest than using a fixed payment.
At a glance
- What it calculates
- Estimate payoff time and interest when paying a percentage-based credit card minimum with a dollar floor.
- Who it is for
- US cardholders deciding whether to keep paying the minimum or switch to a fixed higher payment.
- Coverage
- United States (federal rules; state and local rules vary)
- Data and assumptions
- A percentage-of-balance minimum with a floor amount, one APR, no new purchases and no fees.
- Cost
- Free, no signup, calculations run in your browser
- Last reviewed
- 2026-07-09
Calculator
How to use this calculator
- Enter the current balance and APR.
- Enter the card’s minimum percentage and dollar floor.
- Review the first payment, payoff time, and interest.
- Compare with a fixed-payment payoff calculator.
Explanation
What it is
A credit card minimum payment calculator simulates a common minimum formula: the greater of a percentage of the balance or a fixed dollar amount. Actual issuer formulas may add interest, fees, past-due amounts, or special balances.
How it works
The simulation charges monthly interest and calculates a new minimum from the remaining balance each month. Because the payment can decline, the repayment period may be much longer than with a fixed payment.
When to use it
Use it when you are paying only the minimum and want to see what a fixed higher payment would change.
Limitations
- Minimum payment formulas differ by issuer and by card agreement.
- Penalty APRs, late fees and promotional balances are not modelled.
- New purchases and cash advances change the balance and the minimum.
Key terms
- Minimum payment
- The least amount required by the due date to keep the account current, subject to card terms.
- Payment floor
- A fixed minimum dollar amount used when the percentage calculation is smaller.
- Revolving balance
- Debt carried from one billing cycle to the next.
- Negative amortization
- A balance increasing because payments do not cover interest and charges.
Formula
The simulation charges monthly interest and calculates a new minimum from the remaining balance each month. Because the payment can decline, the repayment period may be much longer than with a fixed payment.
Worked example
On an $8,000 balance at 24%, a 3% minimum starts above the monthly interest charge but still declines as the balance falls, producing a much slower payoff than a fixed payment.
FAQ
How long does it take to pay off a credit card with minimum payments?
It can take many years because the required payment often falls as the balance falls. The exact result depends on the card formula, APR, fees, and new purchases.
How is a credit card minimum payment calculated?
Common methods use a percentage of balance, a fixed floor, or interest and fees plus a percentage of principal. Check the card agreement.
Why is the payoff estimate so long?
A declining payment leaves less money reducing principal later, while interest continues to accrue.
What if the minimum does not cover interest?
The balance may grow. Contact the issuer promptly if you cannot make payments or the balance is not declining.
How can I pay the card off faster?
Stop adding charges where possible and use a fixed amount above the minimum. Even when the required minimum falls, keep your planned payment constant.
Common mistakes
- Believing the minimum payment is a lender-recommended payoff plan.
- Missing that a falling minimum stretches the payoff date each month.
- Ignoring the floor minimum that applies once the balance is small.
- Paying the minimum on the largest balance instead of the highest APR.
Tips
- Set a fixed monthly payment rather than paying whatever the minimum happens to be.
- Even $25 above the minimum can remove years from a payoff timeline.
- Stop new purchases on a card you are actively paying down.
- Ask the issuer about a hardship or reduced-APR plan before missing a payment.
Sources and editorial review
Educational estimates only; not personalized financial, tax, legal, lending, investment, or insurance advice.