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Calculate body fat using US Navy method
Measure below larynx (Adam's apple)
Men: at navel, Women: at narrowest point
Enter measurements to calculate
22%
Maximum body fat percentage for all male Navy personnel
33%
Maximum body fat percentage for all female Navy personnel
| Category | Men | Women |
|---|---|---|
| Essential Fat | 2-5% | 10-13% |
| Athletes | 6-13% | 14-20% |
| Fitness | 14-17% | 21-24% |
| Average | 18-24% | 25-31% |
| Obese | 25%+ | 32%+ |
The Navy method uses circumference measurements (neck, waist, and hips for women) along with height to estimate body fat percentage. It's designed to be simple to perform without specialized equipment.
The Navy formula focuses on body dimensions that correlate with fat storage rather than total weight. This makes it useful for muscular individuals who might weigh more but have low body fat.
The Navy method correlates well with more precise methods like DEXA scans for most people, with typical error of ±3-4%. However, it may be less accurate for very lean or obese individuals.
Both use similar measurements but have different equations. The Navy method tends to give slightly lower estimates than the Army method for the same measurements.
Neck: below larynx with tape perpendicular to long axis. Waist (men): at navel, horizontal. Waist (women): at narrowest point. Hips (women): at widest point, horizontal.
Yes! The Navy method is a validated body fat estimation technique useful for anyone. However, you don't need to meet military standards unless you're in service.
Measure every 4-8 weeks when tracking body composition changes. More frequent measurements may not show meaningful changes and can be discouraging.
Being close to the standard means you should focus on maintaining or improving body composition through diet and exercise. Small improvements make a significant difference in health and fitness.
Medical Disclaimer: This calculator provides estimates for educational purposes only. Body fat calculations are approximations. Military members should use official measurement procedures and standards. Consult healthcare professionals for personalized health and fitness advice.