Your inputs
years
bpm
Live result
Estimated maximum heart rate
185 bpm
- Training zones (Karvonen)
- Zone 1 (50–60%): 125–137 bpm
- Zone 2 (60–70%): 137–149 bpm
- Zone 3 (70–80%): 149–161 bpm
- Zone 4 (80–90%): 161–173 bpm
Updates as you type. Nothing is stored.
These are standard formulas for orientation only. They are not a diagnosis or medical advice. Discuss your numbers with a doctor.