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Target Heart Rate Calculator

Your max heart rate and training zones

Frequently Asked Questions

How is maximum heart rate estimated?
We use the common formula 220 − age. If you enter a resting heart rate, zones use the more personalised Karvonen method based on your heart-rate reserve.
What are the training zones for?
Different intensities suit different goals: 50–60% warm-up, 60–70% fat burn, 70–80% aerobic/cardio, 80–90% anaerobic, 90–100% maximum effort.


Find your maximum heart rate and personalised training zones for warm-up, fat burn, cardio and peak effort.