APR Calculator

Convert periodic rates into an effective annual APR.

Last Updated: 13 Mar 2026

Effective APR: 26.82%

This computes an effective annual rate from the given periodic rate.

APR (Effective) Calculator helps you convert periodic rates into an effective annual apr. It is commonly used by finance teams, founders, individual planners for apr calculator, effective apr, periodic rate apr.

Convert Periodic Rate to Effective APR

If you know the rate per period (for example monthly), this tool estimates the effective annual APR:

  • Periodic interest rate
  • Periods per year

Disclaimer: This calculator provides information only and is not financial, tax, or legal advice.

Frequently Asked Questions