Fat Burn Zone Calculator
Find your optimal heart rate zone for maximizing fat burning during cardio exercise.
Your Information
years
bpm
Measure first thing in the morning
kg
Fat Burn Zone
125 - 145
beats per minute
Optimal: 135 bpm
Max HR
190 bpm
HR Reserve
130 bpm
Fat Cal/Min
24.9
Fat % of Energy
100%
Fat Burning Facts
Fat burn zone: 50-65% of HR reserve
Maximum fat oxidation at ~60% HRR
30 min session burns ~746 fat calories
Higher intensities burn more total calories
Consistent low-intensity is effective for beginners