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Credit Card Interest Calculator

Calculate the credit card interest you may owe for a given balance and interest rate. Choose your monthly payment and learn the payoff time, or enter the payoff time to calculate the monthly payment amount.

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This generic estimation tool does not reflect your actual account balance, individual APR, or terms, nor does it guarantee or represent an actual balance transfer offer from Discover.

How can I pay less credit card interest?

Read more about interest payments and credit card debt

Whether you just received your first credit card or you want to improve your credit, learn how to use a credit card responsibly.
A balance transfer credit card with a low intro APR can help you pay off higher interest rate debt. Understand the tools you need to make a balance transfer work for you.
Debt can feel overwhelming, but you're not alone. Here, we go over some of the many ways to manage your debt.

Common questions about credit card interest

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