Heart Rate Zones (% of Max)

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Heart Rate Zones (Karvonen Method) Calculate target heart rate zones using the Karvonen heart rate reserve method. Max Heart Rate Calculator (220 Minus Age) Estimate maximum heart rate using the classic 220-minus-age formula. Target Heart Rate Calculator Calculate target heart rate zones from maximum heart rate and exercise intensity. Continue in Guided Mode Run any calculator step by step. Your values carry across every tool in the session.

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