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Fat-Burning Target Heart Rate Zone Calculator

60–70% HRmax — the aerobic fat oxidation zone.

Calculates the heart rate range for the fat-burning zone (60–70% HRmax) and aerobic zone (70–80% HRmax), using age-predicted HRmax = 220 − age.

Nadia Almasri By Nadia Almasri
Published Last reviewed 1 min read

Inputs

yr
bpm

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 = 220 − age; Fat-burn = 60–70% HRmax

In depth

Calculates the heart rate range for the fat-burning zone (60–70% HRmax) and aerobic zone (70–80% HRmax), using age-predicted HRmax = 220 − age.