Maximum Heart Rate (Tanaka) Calculator
Estimate HRmax from age with the Tanaka formula
Result
How to use
- Enter your values in the fields above.
- Press Calculate to see your result instantly.
- Use the Share button to copy a link to your result.
About this calculator
This calculator uses the Tanaka formula, HRmax = 208 − 0.7 × age, published by Tanaka, Monahan, and Seals in 2001 after pooling data from over 18,000 subjects — a meta-analysis-backed replacement for the old rule-of-thumb 220 − age, which was never based on a rigorous study and tends to underestimate HRmax in older adults.
Personal trainers, cardiac rehab programs, and fitness apps use HRmax as the anchor for setting heart-rate training zones (fat-burn, aerobic, threshold, and VO2max zones are all defined as percentages of it), so a more accurate HRmax estimate directly translates into more accurate, individualized training targets.
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