Body Fat Percentage Calculator
Estimate body fat percentage using the US Navy method with height, neck, waist, and hip measurements. Provides an estimate for informational purposes only — not medical advice.
Worked example
Male: height 175cm, waist 84cm, neck 38cm: ~17%
How to calculate
- Select your sex.
- Enter height, waist, and neck (and hip for females).
- Read the estimated body fat percentage.
Formula
Body Fat % = 495 / (1.29579 − 0.35004 × log10(waist + hip − neck) + 0.22100 × log10(height)) − 450
Explanation
- Tracking fitness progress.
- General health awareness.
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Use CalculatorFrequently Asked Questions
Is this medically accurate?
It is an estimate based on the US Navy circumference method. For precise measurements, use DEXA scanning or calipers. This tool is for informational purposes only.