How it's calculated
The calculation uses the U.S. Navy formula โ it uses neck, waist (and hip for women) circumferences together with height. It's an accessible method giving a good body-fat estimate without special equipment, and more accurate than BMI because it accounts for fat.
๐ Body-composition tools
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Frequently asked questions
What is a healthy body fat percentage?
Men: athletic 6-13%, fitness 14-17%, average 18-24%. Women: athletic 14-20%, fitness 21-24%, average 25-31%.
Is the Navy method accurate?
It's a good, accessible estimate (no equipment) but less precise than DEXA. Measure correctly: neck below the larynx, waist at the navel.
How do I lower body fat?
A moderate calorie deficit + strength training to preserve muscle + high protein. Calculate your calories and protein.