Karvonen Heart Rate Zones Calculator

An easy to use calculator to define your heart rate zones using the Karvonen formula.

Heart Rate Zones

This calculator will help you to define your heart rate zones using the Karvonen formula. A full description of the formula can be found here.

Input Data

Enter your heart rate details.

Resting HR:
Maximum HR:

Results

Heart Rate Low High
Zone 1:
Zone 2:
Zone 3:
Zone 4:
Zone 5: