Fitness and Health Calculators
Heart Rate Zone Calculator
Calculate heart rate training zones from age and resting pulse, with recovery, aerobic, threshold, and high-intensity ranges.
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185.6 bpm
Estimated max heart rate
123.6 bpm
Heart rate reserve
Zone table
Training zones
| Zone | Range | Use |
|---|---|---|
| Zone 1 | 123.8-136.16 bpm | Recovery and easy warm-up work |
| Zone 2 | 136.16-148.52 bpm | Aerobic endurance and steady work |
| Zone 3 | 148.52-160.88 bpm | Tempo efforts and moderate conditioning |
| Zone 4 | 160.88-173.24 bpm | Threshold work and hard intervals |
| Zone 5 | 173.24-185.6 bpm | VO2 max and top-end efforts |
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