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Percento telesného tuku (námorná metóda)

💪Body Fat Calculator (US Navy Method)

Neck (cm)

Waist (cm)

Height (cm)

What is Body Fat % (Navy Method)?

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The US Navy body fat method estimates body fat percentage from circumference measurements (neck, waist, hip for women) and height, without requiring expensive body composition equipment. It was developed for military fitness standards.

Calkulon makes complex calculations simple — built for students and everyday problem-solvers.

How to Body Fat % (Navy Method)

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1Male: %BF = 86.010×log10(waist−neck) − 70.041×log10(height) + 36.76
2Female: %BF = 163.205×log10(waist+hip−neck) − 97.684×log10(height) − 78.387
3All measurements in inches for the original formula
4Accuracy ±3–4% compared to DEXA (gold standard)

Worked Examples

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Example 1

Given:Male: neck 38cm · waist 85cm · height 175cm

Výsledok:Body fat ≈ 17%

Healthy range for adult males: 10–22%

Body fat % categories

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Category	Male	Female
Essential fat	2–5%	10–13%
Athletic	6–13%	14–20%
Fitness	14–17%	21–24%
Average	18–25%	25–31%
Obese	> 25%	> 32%

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Did you know?

The US military uses this method to set maximum body fat standards: males under 40 must be ≤ 20% (Army), ≤ 22% (Navy), ≤ 18% (Marines). Failure can result in discharge.

References

›Body fat percentage — Wikipedia

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Navy Method vs Skinfold

Formula-verified for precision

Reviewed October 2026

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