Body Fat Calculator
Estimate body fat percentage from a few tape-measure numbers, using the U.S. Navy method.
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Body fat
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U.S. Navy method (estimate).
How to use the Body Fat Calculator
- Select your sex.
- Enter waist, neck, and height in centimeters (hip is added for women).
- Read your estimated body fat percentage.
Frequently asked questions
How accurate is this method?
The U.S. Navy circumference method is a reasonable estimate for most people, typically within a few percentage points of more precise methods like DEXA scans.