APR Calculator
Calculate the true Annual Percentage Rate (APR) of a loan including fees and interest.
📊 Result Chart
About APR Calculator
The APR Calculator is a free online tool that computes the true Annual Percentage Rate (APR) of a loan, factoring in both the nominal interest rate and any origination fees. APR gives you the real cost of borrowing, making it easy to compare different loan offers. Works on mobile and desktop — all calculations run locally in your browser, so your data never leaves your device.
APR Calculator in 3 steps
- Enter the loan amount you plan to borrow
- Enter the nominal annual interest rate and any origination fee percentage
- Click "Calculate" to see the true APR
What is APR and why is it different from the interest rate?
APR (Annual Percentage Rate) includes both the interest rate and any additional fees, giving you the true annual cost of borrowing. The nominal interest rate only reflects the interest charged, not fees.
How is APR calculated?
APR is calculated by amortizing the loan (after deducting fees) at the nominal monthly rate, then expressing the total annual cost as a percentage of the net amount received.
Is this calculator free?
Yes, completely free. No sign-up, no download — just open and use. All calculations happen in your browser.
Is my data safe?
Absolutely. All calculations run locally in your browser. No data is uploaded to any server.