How is max heart rate calculated?

Supports both the common "220-age" and Tanaka formula (208-0.7×age).

How to measure resting heart rate?

Count your pulse for 1 minute immediately after waking up in the morning.

Which zone is best for fat burning?

Zone 2 (60-70% of max HR) is considered effective for fat burning.

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Heart Rate Zone Calculator

Calculate target heart rate zones from your age and resting heart rate. Find your optimal zones for fat burn, cardio, and peak performance.

Age

Resting Heart Rate (bpm)

Calculation Method

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📖

How to Use

Step 1

Enter Age

Enter your age to estimate maximum heart rate

→

Step 2

Enter Resting HR

Enter your resting heart rate (optional)

→

Step 3

View Zones

Five heart rate zones with exercise effects are displayed

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Features

5-Zone Display

Color-coded display of 5 zones: fat burn, aerobic, anaerobic, etc.

Karvonen Method

Supports the more accurate Karvonen method using resting heart rate

Exercise Goal Guide

Recommends zones by goal: weight loss, endurance improvement, etc.

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FAQ

Exercise intensity categories based on percentage of max heart rate. Each zone has different training effects.

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