Need to calculate APR quickly & easily? Learn how to calculate APR on a loan or credit card so you can save the most money. Read this guide to learn more!

How Does APR Work on a Car Loan? When you calculate the interest rate on a car loan, it is simply a percentage of the total loan balance.

APR stands for the annual percentage rate and, in terms of need-to-know financial information, understanding APR is pretty high on our list.

Step 2: Using the internal rate of return function to calculate a capital lease interest rate If the payments are made annually, the next step is straightforward.

The loan is $1,000 and the interest rate is 5%. The loan includes a $10 origination fee. According to this Experian APR calculator, the APR would be 6.86%.

Use our credit card interest calculator to see how much interest you would be charged per billing cycle. Enter your balance and APR to see the charges.