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Maximum Heart Rate Calculator

Estimate HRmax with the Tanaka formula.

Estimate your maximum heart rate using the Tanaka formula, an accurate refinement of the classic 220 − age rule.

Published Last reviewed 1 min read

Inputs

years

Results

Enter values and click Calculate to see results.
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How to use this calculator

  1. Fill in the inputs above using the units you already have.
  2. Values update automatically as you type — no submit button needed.
  3. Hover any result row for the underlying formula and intermediate values.

Formula

HRmax = 208 − 0.7 × age (Tanaka, 2001).

In depth

Estimate your maximum heart rate using the Tanaka formula, an accurate refinement of the classic 220 − age rule.