Fitness & Training
Heart Rate Zone Calculator
Calculate max heart rate and five training zones using the Karvonen method. Plan cardio for fat burn, aerobic base, and high-intensity intervals.
Heart rate zones
- Max heart rate
- 190 bpm
- Recovery
- 125–138 bpm (50–60%)
- Fat burn
- 138–151 bpm (60–70%)
- Aerobic
- 151–164 bpm (70–80%)
- Anaerobic
- 164–177 bpm (80–90%)
- Max effort
- 177–190 bpm (90–100%)
Guides that use this calculator
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