APR vs Interest Rate

When shopping for loans or mortgages, you'll see both an interest rate and an APR (Annual Percentage Rate). While they sound similar, they represent different things and can significantly affect what you actually pay.

Interest Rate

The interest rate is the cost of borrowing the principal amount. It does not include fees, closing costs, or other charges associated with the loan.

  • Only includes the cost of borrowing principal
  • Does not include fees or closing costs
  • Always lower than or equal to APR
  • Determines your monthly payment amount
Best for: Understanding your monthly payment amount and the base cost of borrowing.
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APR (Annual Percentage Rate)

APR includes the interest rate plus all additional fees and costs spread over the life of the loan. It represents the true annual cost of borrowing.

  • Includes interest rate + fees + closing costs
  • Represents the true cost of borrowing
  • Always equal to or higher than interest rate
  • Required by law (Truth in Lending Act)
Best for: Comparing total loan costs between different lenders and understanding the true cost of borrowing.
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Key Differences

AspectInterest RateAPR (Annual Percentage Rate)
What's IncludedInterest onlyInterest + fees + costs
Typical ValueLower numberHigher number
Best ForMonthly payment calculationComparing loan offers
Required by LawNoYes (TILA)
Example: 6.5% rate, $3k fees6.5%~6.7%

When to Use Each

Use the interest rate to understand your monthly payment. Use APR to compare total costs between different loan offers. The loan with the lower APR usually costs less overall.

Frequently Asked Questions

Why is APR higher than the interest rate?

APR includes additional costs like origination fees, closing costs, mortgage insurance, and discount points. These costs are spread over the loan term, making the effective annual rate higher.

Should I choose the loan with the lowest APR?

Usually yes, but consider your situation. If you plan to sell or refinance within a few years, a loan with lower upfront fees but slightly higher rate might cost less overall.