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health / Free Online Tool

Body Fat Calculator.

Estimate your body fat percentage using standard US Navy circumference measurements.

Input Parameters

cm
cm
cm
cm

Comments & Feedback.

Documentation

User manual & function guide.

Detailed manual explaining every function, input parameter, and operational example for the Body Fat Calculator.

Circumference Measurements

Function

Neck, waist, and hip circumferences in cm.

Example Operation Neck = 38 cm, Waist = 88 cm

US Navy Body Fat

Function

Calculates estimated body fat percentage using US Navy formula.

Example Operation Male, Height 175 cm, Neck 38 cm, Waist 88 cm -> 18.4% Body Fat

Frequently asked questions.

How accurate is the US Navy body fat method?

The US Navy method typically has a margin of error of 1-3% compared to more advanced methods like DEXA scans. It is widely used because it only requires a tape measure.

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