Heart Rate Zone Calculator

Make Your heart Healthy

Heart Rate Calculator

Heart Rate Calculator

Heart Rate Zone Training Chart (Karvonen Method)

Zone Intensity (%) Target HR (bpm)
Zone 1 50-60%
Zone 2 60-70%
Zone 3 70-80%
Zone 4 80-90%
Zone 5 90-100%

Heart Rate Zone Training Chart (Zoladz Method)

Zone HRmax Adjustment (bpm) Target HR (bpm)
Zone 1 HRmax - 50
Zone 2 HRmax - 40
Zone 3 HRmax - 30
Zone 4 HRmax - 20
Zone 5 HRmax - 10
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