Heart Rate Zone Calculator

Calculate five heart rate training zones from recovery to maximum effort for optimal workouts.

Calculation Method

Simple (% of Max HR)Karvonen (Heart Rate Reserve)

Age

About Heart Rate Zone Calculator

Training in different heart rate zones helps you achieve specific fitness goals. The Karvonen method is more personalized as it accounts for your resting heart rate, making it more accurate for individual training plans.

Formula

Max HR = 220 - Age; Karvonen: Target HR = ((Max HR - Resting HR) × %Intensity) + Resting HR