Karvonen formula heart rate zones using resting HR and max HR for precise training targets.
Karvonen: target = ((maxHR − restingHR) × intensity%) + restingHR
Karvonen Heart Rate རྩིས་འཕྲུལ།
Karvonen Heart Rate རྩིས་འཕྲུལ།. 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
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Are results official?
No — quick estimates only. Confirm with your bank or provider.
Is data saved?
No. Calculations run in your browser.
Where is the full tool?
Each satellite links back to the main hub calculator.