Max Heart Rate Calculator
Your estimated max heart rate, several formulas
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Max Heart Rate Calculator
Your maximum heart rate sets the ceiling for training-zone calculations. There is no single perfect formula, so this calculator shows several validated estimates — the classic Haskell-Fox 220 − age, the more accurate Tanaka and Nes equations, and the Gulati formula derived for women — plus their average. Use the result as the basis for heart-rate zones, but remember individual maximums vary by 10–20 bpm; only a proper max test is exact.
Formulas only estimate maximum heart rate and can be off by 10–20 bpm for an individual. The classic 220 − age is simple but the least accurate; Tanaka and Nes are more reliable across ages. A supervised lab or field max test is the only exact method.
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