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What is the difference between interest rate and APR?

Financial Toolset Team5 min read

The interest rate is the cost you pay each year to borrow money, expressed as a percentage of the loan amount. The APR (Annual Percentage Rate) includes the interest rate plus other costs like orig...

What is the difference between interest rate and APR?

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Understanding the Difference Between Interest Rate and APR

When you're shopping for a mortgage or any type of loan, you might come across two key terms: interest rate and APR (Annual Percentage Rate). While they might seem similar at first glance, they play different roles in determining the cost of borrowing money. Understanding these differences can save you money and help you make more informed financial decisions. In this article, we'll dive into what each term means, how they affect your loan, and why it's important to consider both when comparing loan offers.

What is an Interest Rate?

Interest Rate: The interest rate is the cost of borrowing money, expressed as a percentage of the loan amount. This rate is applied to your loan principal and determines your monthly mortgage payment. For example, if you take out a $300,000 loan with a 7% interest rate, you are paying 7% annually on the principal amount. This rate often remains fixed for the entire term of a fixed-rate mortgage and is a crucial factor in how much you'll pay each month.

Key Points:

What is APR?

APR: The Annual Percentage Rate provides a more comprehensive view of your loan's cost by including the interest rate along with any additional fees and costs, such as origination fees, discount points, and some closing costs. The APR is designed to capture the true yearly cost of borrowing, making it easier to compare different loan offers.

Key Points:

  • Typically higher than the interest rate due to additional fees.
  • Reflects the total cost of the loan over its lifetime.
  • Useful for comparing different loan offers.

Practical Example

Let's consider a practical example of two 30-year fixed-rate mortgage options for a $300,000 loan:

ScenarioInterest RateOrigination FeeDiscount PointsAPRMonthly Payment
Option 16.8%1% ($3,000)2 ($6,000)7.092%$1,956
Option 27%1% ($3,000)07.099%$1,996

In this scenario:

  • Option 1 has a lower interest rate but a similar APR due to higher discount points, resulting in a slightly lower monthly payment.
  • Option 2 has a higher interest rate but fewer fees, leading to a similar APR.

Which Rate Should You Focus On?

For Monthly Budgeting: If your priority is ensuring manageable monthly payments, focus on the interest rate. A lower interest rate means a lower monthly payment, which can be crucial for monthly budgeting.

For Total Cost: When comparing the overall cost of different loans, consider the APR. This rate gives you a more complete picture, including the impact of additional fees and costs.

Common Mistakes and Considerations

Bottom Line

When shopping for a loan, it's essential to look at both the interest rate and the APR. The interest rate impacts your monthly payments, while the APR provides a more comprehensive view of the total cost over the loan's lifetime. By understanding both, you can make more informed decisions and potentially save thousands of dollars. Always compare these rates across different lenders to find the best deal for your financial situation.

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The interest rate is the cost you pay each year to borrow money, expressed as a percentage of the loan amount. The APR (Annual Percentage Rate) includes the interest rate plus other costs like orig...
What is the difference between interest rate... | FinToolset