Heart Rate Zone Calculator
Target heart rate zones
Heart Rate Zone Calculator
Calculate your optimal training zones based on age and fitness level.
Maximum Heart Rate (MHR)
187 bpm
Zone 1
94-112
Recovery
Zone 2
112-131
Fat Burn
Zone 3
131-150
Aerobic
Zone 4
150-168
Anaerobic
Zone 5
168-187
Maximum
Zone Descriptions
Zone 1 (50-60%): Very light, can talk easily
Zone 2 (60-70%): Light, optimal fat burning
Zone 3 (70-80%): Moderate, builds endurance
Zone 4 (80-90%): Hard, increases speed