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Body Fat % Estimator

Estimate body fat percentage using the Navy Method with simple measurements.

💪 Reviewed by Daniel J. D'Alessandro, CPT & Certified Nutrition Coach

Calculator

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Body Fat % Estimator

This calculator is currently being built and will be available soon. Check back shortly for the full interactive tool.

⚙️ Coming soon

Formula & methodology

Men: %BF = 86.010×log(waist−neck) − 70.041×log(height) + 36.76\nWomen: %BF = 163.205×log(waist+hip−neck) − 97.684×log(height) − 78.387

Inputs: sex, height, waist, neck (and hip for women). All measurements in inches or cm. Source: U.S. Navy Body Fat Formula.

⚕️ Medical Disclaimer: BetterBodySuite provides general wellness information only. This tool is not a substitute for professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider before making health decisions. Results are estimates based on population-level formulas and may not reflect individual variation.