Heart rate zone calculator
This heart rate zone calculator finds your five training zones from your max heart rate.
Your zones
Percentages of your max heart rate
Rough estimate: 207 - (0.7 × your age)
Zone 1
Recovery
95-114bpm
50-60% of max
Easy effort, active recovery
Zone 2
Aerobic
114-133bpm
60-70% of max
Conversational pace, fat burning
Zone 3
Tempo
133-152bpm
70-80% of max
Moderate effort, aerobic capacity
Zone 4
Threshold
152-171bpm
80-90% of max
Hard effort, lactate threshold
Zone 5
VO2 Max
171-190bpm
90-100% of max
Max effort, speed training