📉APR Calculator

APR calculator — find out the true cost of your loan

Our free APR calculator shows the true cost of a loan or credit, not just the advertised interest rate. Enter the loan amount, the fee (as a cash amount or a percentage), the nominal interest rate, and the number of instalments — the result, your Annual Percentage Rate, will appear immediately along with the monthly instalment, total amount payable, and total cost of credit. Use it to quickly compare offers from banks and lenders and find out which one is genuinely cheaper.

What is APR and full privacy

APR — Annual Percentage Rate — is a measure that combines the interest rate with the fee and other costs into a single effective annual rate. The higher the APR, the more expensive the loan on an annual basis. The calculator determines the APR using the method consistent with consumer credit legislation — it finds the internal rate of return (IRR) of the cash flows between what you actually receive and the sum of repayments. All calculations run locally in your browser, so your data stays entirely on your device.

Frequently asked questions

What is the difference between APR and the nominal interest rate?

The nominal interest rate is simply the cost of capital expressed as an annual percentage. APR (Annual Percentage Rate) captures all costs of the credit — interest, fees, and other charges — and expresses them as a single effective annual rate. That is why APR is usually higher than the nominal rate and is the right figure to use when comparing offers from different banks and lenders.

How is the fee calculated in the calculator?

You can enter the fee as a cash amount in your currency or as a percentage of the loan amount — just toggle the unit. In both cases the calculator assumes the fee is deducted from the disbursement: the bank calculates instalments on the full loan amount, but you actually receive the amount minus the fee. This raises the true cost and increases the APR.

Is my data sent anywhere?

No. The entire calculator runs only in your browser — none of the amounts or loan parameters you enter are sent to a server or stored anywhere outside your device. The APR calculation runs locally, in real time, as you type.