How long does a fixed credit-card payment take to clear the balance?
A card payoff schedule charges monthly interest on the remaining balance, then applies the rest of the payment to principal. As principal falls, more of the same payment becomes available for principal reduction.
Following a revolving balance month by month
APR is converted into a monthly rate. Each simulated month adds interest to the remaining card balance and subtracts the portion of the fixed payment left after that interest.
The process repeats until the balance reaches zero. If the payment does not exceed first-month interest, the entered payment cannot reduce the balance under this fixed-rate model.
A fixed payment until the card reaches zero
The default case repeats the monthly interest-and-principal calculation until the balance reaches zero, then totals elapsed months, interest and payments.
Why increasing payment saves interest twice
A larger fixed payment reduces both payoff time and total interest. The first month’s interest is shown so the entered payment can be checked against the minimum needed to reduce principal.
Interest first, then principal reduction
i = APR ÷ 100 ÷ 12Each month: Interest = Balance × i Balance = Balance − (Payment − Interest)Repeat until the balance reaches zero. If the payment is notlarger than the first month's interest, the balance never clears.The payment must exceed accrued interest
If payment is equal to or below accrued monthly interest, the balance never clears under a fixed-rate model. The page displays an explicit warning for that case.
- APR is fixed and converted to a monthly rate.
- The same payment is made monthly with no new purchases.
- Late fees, promotional rates and issuer minimum-payment rules are excluded.
Calculations related to credit card payoff
The following tools examine neighbouring parts of the same calculation without changing the inputs or assumptions used above.
Quick answers
Frequently asked questions
Why will my credit-card balance never clear at some payment amounts?
If the monthly payment is no larger than the interest charged, none of the payment reduces principal.
Does the calculator use daily credit-card interest?
No. It converts APR to a monthly rate and runs a monthly balance simulation.
Are new purchases and fees included?
No. The calculation assumes no additional spending, fees or rate changes.
Educational content only. This guide is not financial advice.