Sumivo · Health
Max Heart Rate Calculator
Estimate maximum heart rate from age using the Tanaka and Fox formulas.
01 / inputs
years
02 / result
MAX HEART RATE
187 bpm
- Tanaka (208 − 0.7×age)
- 187 bpm
- Fox (220 − age)
- 190 bpm
Calculation trace
- 208 − 0.7×30 = 187 bpm187 bpmTanaka (2001)
- 220 − 30 = 190 bpm190 bpmFox (1971)
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How it works
Age-predicted maximum heart rate. Tanaka (2001): 208 − 0.7×age, more accurate across ages; and the classic Fox (1971): 220 − age.
Assumptions & limits
- A population estimate; individual maximum can vary by ±10-12 bpm.
- For general fitness and education only — not a medical or diagnostic tool.
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FAQ
- Which formula should I use?
- Tanaka is generally more accurate, especially for older adults; 220 − age is the familiar rule of thumb.
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Related calculators
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SOURCES
- Journal of the American College of Cardiology (PubMed 11153730)Age-predicted maximal heart rate revisited (Tanaka H, Monahan KD, Seals DR, J Am Coll Cardiol 2001;37:153-156) ↗
Age-predicted maximum heart rate: Tanaka 208 − 0.7·age (and the classic Fox 220 − age)
Accessed 2026-08-23