Zone formulas are approximate. Stop exercise and seek care if you feel unwell.
Heart Rate Zones
Heart Rate Zones. རིན་མེད་ཨོན་ལའིན།.
Estimated max HR
༡༩༠ bpm
Karvonen zones from ༢༢༠ − age.
Zone 1 (recovery)༡༢༥–༡༣༨ bpm
Zone 2 (fat burn)༡༣༨–༡༥༡ bpm
Zone 3 (aerobic)༡༥༡–༡༦༤ bpm
Zone 4 (threshold)༡༦༤–༡༧༧ bpm
Zone 5 (max)༡༧༧–༡༩༠ bpm
རིམ་པ
- Enter age (and resting HR optional)
- See max HR
- Read zone ranges
འབྲེལ་བ
དྲི་བ
Are results official?
No—quick estimates only.
Is data saved?
No. Calculations run in your browser.