Body Fat % – U.S. Navy & BMI Methods
Choose your method. Both support Metric (cm/kg) and Imperial (in/lb). Navy method uses body measurements; BMI method uses weight, height, age, sex.
Result will appear here.
Formula: U.S. Navy body fat equation. Works best with snug tape measurements.
Male: %BF = 495 / (1.0324 − 0.19077·log10(waist − neck) + 0.15456·log10(height)) − 450
Female: %BF = 495 / (1.29579 − 0.35004·log10(waist + hip − neck) + 0.22100·log10(height)) − 450
Result will appear here.
Formula: Deurenberg et al. BF% = 1.20×BMI + 0.23×Age − 10.8×Sex − 5.4 (Sex: male=1, female=0).
BMI = kg / m² (or 703×lb/in² for imperial).
