US Navy Body Fat Calculator for Men

Calculate male body fat % using the official US Navy/DoD tape measure formula.

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Frequently Asked Questions — Navy Body Fat Calculator

How to measure for the Navy body fat formula (male)?+

Height: stand straight without shoes. Neck: measure just below Adam's apple, round up to nearest 0.5cm. Waist: measure at navel, at the end of normal exhalation, round down to nearest 0.5cm. Three measures, use average.

Army body fat standards — what is the maximum?+

US Army body fat standards (male) by age: 17-20yrs: 20%, 21-27yrs: 22%, 28-39yrs: 24%, 40+yrs: 26%. Failing body fat standards requires a body composition program.

Navy vs DEXA scan — which is more accurate?+

DEXA scan: margin ±1-2% (gold standard). Navy formula: ±3-4%. Hydrostatic weighing: ±2-3%. BodPod: ±2-3%. BIA scale: ±4-8%. Navy formula is reliable enough for military fitness assessments and progress tracking.