Online Calculator

APR Calculator

Nominal rate hides compounding frequency; APR hides fees. This surfaces both.

Effective annual rate

19.562%

Nominal quoted
18%
Extra cost of compounding
1.562%

How the APR Calculator works

The calculation follows the standard method used across the US — no shortcuts, no hidden assumptions. Here is exactly what happens behind the scenes:

Formula

EAR = (1 + r/n)ⁿ − 1

Frequently Asked Questions

How does the APR Calculator work?

Enter your numbers above and results update instantly using standard formulas, computed entirely on your device.

Is the APR Calculator free to use?

Yes — completely free with no signup required, and it works on phones, tablets, and desktops.