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Body Fat Calculator

Body Fat Calculator

Wellness & Health Check

Estimate your body fat percentage using the U.S. Navy circumference method. Enter neck, waist, and height for accurate results.

Reference Ranges (male)

Essential2–5%
Athletes6–13%
Fitness14–17%
Average18–24%
Obese25%+
Formula (Navy Method)
495 / (1.0324 − 0.19077×log(W−N) + 0.15456×log(H)) − 450

Frequently Asked Questions