What is maximum heart rate?

Maximum heart rate (MHR) is the highest number of beats per minute your heart can safely pump under maximum stress.

Why are there different formulas?

The Fox formula (220 - age) is the most common but can underestimate MHR in older adults. The Tanaka formula (208 - 0.7 * age) is often considered more accurate across different age groups.

What are heart rate zones?

Heart rate zones are ranges of your MHR (e.g., 60-70% for fat burn) used to guide the intensity of your cardiovascular training.

Maximum Heart Rate Calculator

Age

Max Heart Rate (Tanaka)

— bpm

— (Fox Formula)

Training Zones (Tanaka)

Zone 1 (50-60%)

Zone 2 (60-70%)

Zone 3 (70-80%)

Zone 4 (80-90%)

Zone 5 (90-100%)

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