❤️ Health
Body Fat Calculator
Estimate your body fat percentage using the widely recognized U.S. Navy Method based on simple tape measurements.
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Formula
Male: 495 / (1.0324 - 0.19077 × log10(waist - neck) + 0.15456 × log10(height)) - 450Example
A male with height 178cm, neck 40cm, and waist 90cm has an estimated body fat of ~19.5%.
Frequently Asked Questions
The US Navy method is a convenient estimation tool based on circumference measurements, but it is less accurate than clinical methods like DEXA scans or hydrostatic weighing.
Healthy ranges vary by age and sex. Generally, for women it is 21-32% and for men it is 8-19%, but individual health factors apply.