Health
Heart Rate Zone Calculator
Calculate your maximum heart rate and five training zones based on your age.
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Frequently Asked Questions
What is maximum heart rate?
Maximum heart rate (MHR) is estimated as 220 minus your age. It represents the highest heart rate achievable during exercise.
Which heart rate zone burns the most fat?
Zone 2 (60–70% of max HR) is known as the fat-burning zone because fat is the primary fuel source at moderate intensity.