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What's the difference between APR and interest rate?

Financial Toolset Team5 min read

The interest rate is the base cost of borrowing money, while APR (Annual Percentage Rate) includes the interest rate plus additional fees like origination fees, documentation fees, and other loan c...

What's the difference between APR and interest rate?

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Understanding the Difference Between APR and Interest Rate

When shopping for a loan, whether it's a mortgage, auto loan, or personal loan, you might encounter two key terms: interest rate and APR (Annual Percentage Rate). While they are often used interchangeably, they represent different aspects of borrowing. Understanding the distinction between the two can help you make smarter financial decisions and potentially save money over the life of your loan.

The Basics: Interest Rate vs. APR

What is the Interest Rate?

The interest rate is the cost of borrowing money, expressed as a percentage of the principal loan amount. It is the amount a lender charges annually for borrowing funds, excluding any additional fees or costs. For instance, if you take out a $10,000 loan with a 5% interest rate, you will pay $500 annually in interest.

What is APR?

APR, or Annual Percentage Rate, provides a broader measure of the cost of borrowing. It includes the interest rate plus additional fees and costs that lenders may charge, such as origination fees, closing costs, and other administrative charges. By representing the total yearly cost of borrowing expressed as a percentage, APR gives you a more comprehensive understanding of what you'll pay annually.

Why APR Matters

  • True Cost Representation: Because APR includes fees and other costs, it offers a more accurate picture of the total cost of a loan compared to just the interest rate.
  • Comparison Shopping: APR allows you to compare different loan offers more effectively, ensuring you're aware of the true cost beyond just the interest rate.

Real-World Examples

Auto Loan Example

Suppose you're considering a $20,000 auto loan with a 4% interest rate over five years. If the lender charges a $500 origination fee, the APR will be higher than 4%. Here's a simplified breakdown:

Mortgage Example

Imagine a 30-year fixed mortgage with a 3.5% interest rate. When you add closing costs and other fees, the APR might increase to 3.8%. This difference highlights the additional costs involved in securing the loan.

Credit Card Scenario

Credit cards often have an APR that matches the interest rate because most fees (like annual fees) are not included in the APR calculation. So, a credit card with a 15% APR typically has a 15% interest rate, though other fees may apply separately.

Common Mistakes and Considerations

APR is Not Comprehensive

While APR includes many costs, some fees might not be covered. Always review the loan estimate carefully to understand all possible costs.

Fixed vs. Variable Rates

Both interest rates and APRs can be fixed or variable. Variable rates can fluctuate, affecting the total cost of borrowing over time.

Comparison Caution

Always compare apples to apples: match APRs to APRs and interest rates to interest rates. Comparing an interest rate directly to an APR can be misleading.

Impact of Credit Scores

Your credit score plays a crucial role in the rates you receive. Borrowers with higher credit scores typically qualify for lower interest rates and APRs.

Loan Term Impact

Shorter loan terms may result in higher monthly payments but can lower the total interest paid, impacting the APR calculation.

Bottom Line

Understanding the difference between APR and interest rate is crucial for evaluating loan offers. The interest rate reflects just the cost of borrowing, while the APR includes additional fees, providing a more comprehensive view of the loan’s true cost. By focusing on APR when comparing loans, you can ensure a clearer picture of what you're committing to financially. Always read the fine print and consider all aspects of the loan before making a decision, ensuring you select the best fit for your financial situation.

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The interest rate is the base cost of borrowing money, while APR (Annual Percentage Rate) includes the interest rate plus additional fees like origination fees, documentation fees, and other loan c...
What's the difference between APR and intere... | FinToolset