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Target Heart Rate Calculator

Calculate effort ranges for physical activity based on age and resting heart rate.

Zones

Fill in the fields and see the result with the formula used.

Result

Fill in the required data to see the result.

How it works

Maximum heart rate can be estimated as 220 - age.

The Karvonen method uses heart rate reserve: HRmax - HRrest.

Moderate and vigorous zones help plan training more safely.

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