Body Fat % — Navy Method

Estimate body fat percentage from a few tape measurements, using the US Navy formula.

Awaiting clinical review. Results are based on validated formulas but pending physician verification.

How this is calculated

The US Navy (Hodgdon-Beckett) formula estimates body fat from height, neck and waist (plus hip for women) using a logarithmic regression.

Sources

  1. Hodgdon JA, Beckett MB. Prediction of percent body fat for U.S. Navy men from body circumferences and height. Naval Health Research Center 1984.
This calculator is for educational purposes and is not a substitute for professional medical advice, diagnosis, or treatment. The result is based on standard clinical formulas applied to the values you entered — your individual situation may need adjustments your doctor can make. Never disregard professional medical advice or delay seeking it because of something you read or calculated on healthcalculus.