VO2 Max Estimate Calculator

Cardiorespiratory Fitness Estimate

VO2 max estimates how much oxygen the body can use during intense exercise.

Method: This quick estimate uses the heart-rate ratio method: VO2 max = 15.3 x maximum heart rate / resting heart rate.

Understanding VO2 Max Estimate

1. What This Calculator Measures

VO2 max estimation gives a rough cardiorespiratory fitness value from heart rate ratio.

2. How the Calculation Works

The calculator multiplies 15.3 by maximum heart rate divided by resting heart rate.

3. Formula or Rule Used

VO2 max = 15.3 x max HR / resting HR.

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