Credit Card Interest Calculator
Input a balance, APR, and the amount you pay each month to estimate interest charges. Add optional new spending or an extra payment to compare how quickly the balance disappears.
How to use this tool
- Current balanceEnter the credit card balance you are carrying right now.
- APR (%)Input the card's annual percentage rate. You'll find it on your statement.
- Monthly paymentType the amount you plan to pay each month. Use at least the required minimum.
- Additional monthly paymentOptionally add extra money you can commit on top of your planned payment.
- New charges per monthIf you expect to keep using the card, enter the average new spending added each month.
- Minimum payment floorSome cards have a fixed dollar minimum even when your percentage payment is smaller. Enter that amount here.
Press Estimate interest to view payoff time, total interest, and how extra payments change the schedule. Reset clears the inputs.
{label}
```