Formula
US Navy circumference formula
Estimate body fat % using the US Navy method.
This calculator estimates body fat using the U.S. Navy method (circumference) and also shows a BMI-based estimate for comparison. Results are screening estimates only — not a clinical diagnosis.
Modify the values and click the Calculate button to use
Enter measurements and click Calculate to see Navy body fat %, category meter, lean mass, and BMI-method comparison.
Informational only — not medical advice. Results are estimates. Consult a qualified clinician for health decisions.
US Navy circumference formula
Circumference methods are estimates only.
Enter sex, height, waist, neck (and hips for women).
US Navy circumference body-fat estimate.
Enter sex, height, waist, neck (and hips for women).
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