Body Measurements calculators

Estimate circumference-based body-fat percentage using the established neck, waist, hip, and height equations.

Calculate adult body mass index, CDC weight category, and the weight range corresponding to BMI 18.5 through 24.9.

Estimate body-fat percentage with the circumference-based U.S. Navy method and calculate fat and lean mass.

Compare bust, waist, and hip proportions to describe a geometric body-shape pattern and waist-to-hip ratio.

Calculate the adult weight interval corresponding to BMI 18.5 through 24.9 for a given height.

Compare four commonly cited height-based reference-weight formulas and the adult healthy-BMI range.

Compare Boer, Hume, and James lean-body-mass estimates from height, weight, and sex.

Calculate current BMI and reference weights for BMI 18.5 and the historically cited 17.5 threshold.

Compare current weight with adult BMI 25 and 30 reference thresholds for the same height.