Health & Fitness

Body Fat % Estimator

US Navy circumference method — more accurate than BMI alone. Just a few body measurements.

Your Measurements

Height (inches)

Waist circumference (inches)

Measure at navel level, relaxed.

Neck circumference (inches)

Measure below the larynx, slightly downward slope.

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Body Fat Scale

Essential Athletic Fit Acceptable Obese

Fat Mass

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Lean Mass

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Ideal Range

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Method

US Navy

This estimate uses body circumference measurements (US Navy method). Results are approximations — professional body composition testing (DEXA, hydrostatic) is more accurate. Consult a healthcare provider before making health decisions.