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Medical CalculatorBody Measurements

Body Fat Calculator

Estimate your body fat percentage using the U.S. Navy method with neck, waist, and hip measurements. This calculator provides an accurate assessment of body composition for both men and women.

Updated 2024-12-159 min readCalzyra Health Team

Calculator

Enter your values below

Formula & Methodology

How this calculator works

Body Fat % (Male) = 86.010 × log₁₀(waist - neck) - 70.041 × log₁₀(height) + 36.76

The U.S. Navy method estimates body fat percentage using circumference measurements of the neck, waist, and optionally the hip for females.

Frequently Asked Questions

Common questions about this calculator

Medical Disclaimer

These calculators provide estimates based on standardized formulas. For clinical assessment, consult a healthcare professional.

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References

WHO GuidelinesCDC ResourcesAHA Recommendations