Calculate target heart rate training zones — warm-up, fat burn, cardio, and peak by age.
Target Heart Rate Zones
Target 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
- Open the calculator
- Enter your values
- Read the result instantly
འབྲེལ་བ
དྲི་བ
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.