Credit Card Interest Calculator

Calculate exactly how much interest your credit card balance accrues daily, monthly, and annually.

Part of our Finance Calculators collection.

Free online calculator

Credit Card Balance ($)

Annual Percentage Rate (APR)

Find on your monthly statement

Results update automatically as you type

How to Use This Calculator

Daily Rate = APR / 365
Monthly Interest = Balance × (APR / 12)
Annual Interest = Balance × APR

Inputs

Result

Enter values above

Results appear as you type.

Is this calculator accurate?

These are estimates based on the information provided. Actual rates and terms vary by lender.

Should I seek professional advice?

For significant financial decisions, consider consulting a financial advisor or credit counselor.

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