Heart Rate Zone Calculator
Calculate heart rate training zones for optimal workout intensity. Free HR zone calculator.
bpm
Max Heart Rate
190
Zone 1 (50-60%)128 - 140 bpm
Zone 2 (60-70%)140 - 153 bpm
Zone 3 (70-80%)153 - 165 bpm
Zone 4 (80-90%)165 - 178 bpm
Zone 5 (90-100%)178 - 190 bpm
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