Free tool

Heart Rate Zones by % of Max HR Calculator

Calculate your clients' cardiovascular training zones using the percentage of maximum heart rate method. It is the fastest and simplest option: you only need the client's age.

Percent of Max HR Method

This method calculates heart rate zones as direct percentages of max HR (220 - age). It is the simplest and fastest method: you only need the client's age. Ideal for beginners or when resting HR is not available.

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