Body

Body Fat (Navy Method)

Estimate body-fat percentage from tape measurements.

How it works. US Navy circumference method (measure in inches). Men: 495⁄(1.0324 − 0.19077·log₁₀(waist−neck) + 0.15456·log₁₀(height)) − 450. Women add hip and use their coefficients. An estimate, typically ±3–4%.