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Body Fat Calculator

Estimate body fat percentage using the US Navy method

Estimated Body Fat

16.9%

Fitness

US Navy tape-measurement method — an estimate, not a substitute for clinical body composition testing (e.g. DEXA scan).

What is this tool?

Estimates body fat percentage using body measurements (typically the U.S. Navy method, based on circumference measurements), which tends to be more informative than BMI alone for assessing body composition.

How to use it

Enter your measurements as prompted (typically waist, neck, and for women, hip measurements), and your estimated body fat percentage is calculated.

Measure at the same time of day and in the same way each time you check — small differences in where and how you measure can shift the result more than an actual change in body composition would.

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