Body Fat Calculator

Height (cm)

Weight (kg)

Waist circumference (cm) — measure at navel

Neck circumference (cm) — measure below larynx

How to measure: Use a flexible tape measure. Stand straight, breathe normally. Measure skin — not over clothing. For waist, measure at navel level (men) or narrowest point (women). For neck, measure just below the Adam's apple.

The US Navy method is validated but estimates may vary ±3–4%. For clinical assessment, consult a healthcare professional.