US Navy Body Fat Percentage Calculator
Accurately estimate your body fat percentage without expensive calipers or DEXA scans. Developed by the US Naval Health Research Center, this tool computes fat mass vs lean mass using simple circumference tape measurements.
US Navy Tape Measurements
Fitness & Healthy Standard
How to Use Body Fat Percentage Calculator
Select Gender
Choose Male or Female for anatomically tuned equations.
Measure Circumferences
Measure neck at the narrowest point and waist horizontally at the navel.
Inspect Body Fat %
View your calculated body fat category and lean tissue ratio.
About Body Fat Percentage Calculator
Applies logarithmic equations derived by Hodgdon and Beckett taking the differential ratio between abdominal circumference and height.
Operational Limits
- •Requires accurate measurement with a non-stretchable measuring tape
Key Features
- Official US Navy Department of Defense calculation standard
- Circumference measurements: Neck, Waist, Height (and Hips for females)
- Categorizes results into Athletic, Healthy Fitness, or Above Average
- Accurate within 1-3% of hydrostatic weighing and DEXA scans
- 100% confidential and private in-browser computation
Frequently Asked Questions
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