Free online tool

APR Calculator

Enter your loan details to find the true annual cost including interest and fees.

Instant calculation

APR Calculator

Enter your loan details to find the true annual cost including interest and fees.

Your numbers stay in this browser. Nothing is uploaded or saved.

Three clear steps

How to use this calculator

  1. 01

    Enter loan amount

    Type the total loan principal.

  2. 02

    Enter interest and term

    Provide the total interest paid and loan term in months.

  3. 03

    See the APR

    Calculate to see the effective annual percentage rate.

The formula

How this calculation works

APR represents the true annual cost of borrowing, including fees and interest. Higher than the nominal rate when fees are present.

APR Calculator

APR = (Total interest + fees) ÷ Loan amount ÷ Term years × 100

(2000) ÷ 10000 ÷ 5 × 100 = 4% APR (no fees)

Check the method

Worked examples

Each example follows the same formula used by the calculator.

What is the APR on a $10,000 loan with $2,000 interest over 5 years?

(2000) ÷ 10000 ÷ 5 × 100 = 4% APR (no fees)4% APR

Same loan with $500 in fees?

(2000+500) ÷ 10000 ÷ 5 × 100 = 5% APR5% APR

Common questions

Questions about this calculation

What is the APR Calculator?

The APR Calculator helps you calculate the annual percentage rate (APR) for a loan including fees. Enter your values and select Calculate to get an instant result.

How is the result calculated?

APR represents the true annual cost of borrowing, including fees and interest. Higher than the nominal rate when fees are present.

Can you show an example?

Example: What is the APR on a $10,000 loan with $2,000 interest over 5 years? — 4% APR.

Is my data saved when I use the APR Calculator?

No. All calculations run locally in your browser. Your inputs and results are never uploaded, stored or shared with anyone.

Is the APR Calculator free to use?

Yes. The APR Calculator is completely free. No account, sign-up or payment is required. It works on mobile, tablet and desktop.