Are health calculators medically accurate?

Our health calculators use standard medical formulas and are for informational purposes only. They do not constitute medical advice. Always consult a healthcare professional for medical decisions.

Is my health data stored?

No, all health calculations are performed locally in your browser. We do not store, transmit, or access any personal health information.

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📏 Body Fat Calculator

Calculate your body fat percentage using professional medical methods

Gender

Male Female

Measurement Units

Height

Neck circumference

Waist circumference

How was this body-fat-calculator?

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About the US Navy Body Fat Method

The US Navy circumference method estimates body fat percentage using body measurements. It is one of the most widely used field methods in health and fitness.

Measurement Guide

Neck: Measure just below the larynx (Adam's apple), perpendicular to the long axis of the neck.
Waist (men): Measure at the navel level.
Waist (women): Measure at the narrowest point between ribs and hips.
Hip (women only): Measure at the widest point of the buttocks.