How to Calculate Total Loan Costs: Apr vs Interest Rate Simplified

Understanding the total cost of a loan is essential for making informed financial decisions. Two common metrics used are the Annual Percentage Rate (APR) and the interest rate. This article explains how to compare these figures and calculate the total costs involved in a loan.

What Is the Interest Rate?

The interest rate is the percentage charged on the principal amount of a loan. It reflects the cost of borrowing without including additional fees or costs. This rate is usually expressed annually and is used to calculate the basic interest payments.

What Is the APR?

The APR includes the interest rate plus other fees and costs associated with the loan, such as origination fees, closing costs, and insurance. It provides a more comprehensive view of the total cost of borrowing over a year.

Calculating Total Loan Costs

To estimate the total cost of a loan, compare the APR and interest rate. The interest rate helps determine the basic interest payments, while the APR accounts for additional fees. Use the following approach:

  • Identify the loan amount and the interest rate.
  • Calculate the annual interest: Loan amount × interest rate.
  • Determine the total fees included in the APR.
  • Add the fees to the total interest to estimate the total annual cost.

Example Calculation

Suppose you borrow $10,000 with an interest rate of 5% and an APR of 6%. The annual interest is $500. The additional fees included in the APR amount to $100. Therefore, the total annual cost is approximately $600.