Body Fat Calculator

Estimate body fat percentage using the US Navy method (tape measurements).

Sex

Units

Height (cm)

Neck (cm)

Waist (cm)

How to measure

Neck: measure just below Adam’s apple.
Waist: at navel level (relaxed).
Height: without shoes.

Result—

Example: height 180cm, neck 40cm, waist 85cm → body fat %

Formula

US Navy method (log10) using height + tape measurements.