VO2 Max from Resting Heart Rate

Estimate maximal oxygen uptake (VO2 max) from resting heart rate using the heart rate ratio method for a non-exercise cardiorespiratory fitness assessment.

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Clinical Guidance

BMI is a screening measure of body size, not a direct measure of body fat. The standard WHO categories are underweight (<18.5), normal (18.5–24.9), overweight (25–29.9), and obese (≥30).

BMI can overestimate body fat in athletes with high muscle mass and underestimate it in older adults with low muscle mass. Interpret it alongside waist circumference and clinical context rather than as a standalone diagnosis.

⚕ Clinical Disclaimer: These calculators are for educational and reference purposes only. Always verify results with qualified clinical judgment and current clinical guidelines. Do not use as a sole basis for medical decisions.
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How It Works

Estimate maximal oxygen uptake (VO2 max) from resting heart rate using the heart rate ratio method for a non-exercise cardiorespiratory fitness assessment

Each component has a specific meaning:

  • Resting heart rate — The resting heart rate recorded for the scenario being assessed.

Note: Interpret the vo2 max estimate result against the thresholds and context described above.

How to Use

Enter the resting heart rate for the scenario you are assessing. Estimate maximal oxygen uptake (VO2 max) from resting heart rate using the heart rate ratio method for a non-exercise cardiorespiratory fitness assessment. Use the vo2 max estimate result to inform your calculation.

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Frequently Asked Questions