Annual interest rate (APR) on your credit card? The Annual interest rate (APR) on your credit card can be found on your credit card statement under "Annual Percentage Rate (APR)" and is the cost of credit on a yearly basis expressed as a percentage. You may be able to view your current Annual interest rate (APR) online or you can call the number on the back of card to find out this information. >> Back to Calculator >> Back to Main Index