Credit Card Interest Calculator
Estimate the interest charged on a credit card balance and understand how payments affect the cost of borrowing. It can make a financial figure easier to understand before you compare options or enter the numbers into a larger budget.
How to use this calculator
Enter the starting amount and the rate or time values requested. Check whether the rate is annual and whether compounding or contributions are included before comparing the result with another estimate.
Formula
Interest depends on the card's applicable annual rate, balance, and the issuer's daily or periodic interest method.