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Body Fat Calculator

एकके:

लिंग:

Height (cm)

Neck (cm)

Waist (cm)

What is Body Fat Calculator?

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Body fat percentage is the proportion of your total body mass that is fat tissue. Unlike BMI, body fat percentage distinguishes between fat and lean mass (muscle, bone, water), making it a more accurate indicator of fitness and health risk.

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

How to Body Fat Calculator

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1Measure height, neck circumference, and waist circumference in inches
2For women, also measure hip circumference
3Apply the US Navy formula: Men: 86.010×log(waist−neck) − 70.041×log(height) + 36.76
4Women: 163.205×log(waist+hip−neck) − 97.684×log(height) − 78.387
5Compare result to age and sex-specific body fat categories

Worked Examples

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Example 1

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

परिणाम:~18% body fat

Fitness category

Example 2

Given:Female, height 165cm, neck 33cm, waist 75cm, hip 97cm

परिणाम:~26% body fat

Average/acceptable category

Special Cases

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US Navy vs DEXA

The US Navy method is a convenient field estimate (±3–4% error). For clinical accuracy, DEXA (dual-energy X-ray absorptiometry) or hydrostatic weighing are the gold standards.

Essential fat

Essential fat is the minimum needed for normal physiological function. It is ~3–5% for men and ~10–13% for women. Going below these levels is dangerous.

Body Fat Categories

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Category	Men	Women
Essential Fat	2–5%	10–13%
Athletic	6–13%	14–20%
Fitness	14–17%	21–24%
Average	18–24%	25–31%
Obese	25%+	32%+

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Pro Tip

Waist circumference alone is a strong predictor of cardiovascular risk. Men with waist >40 in (102 cm) and women >35 in (88 cm) have significantly elevated risk.

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Did you know?

Elite marathon runners typically have 5–11% body fat (men) or 10–18% (women). However, very low body fat impairs hormone function and immune response.

References

केवळ माहितीच्या उद्देशाने. हे साधन व्यावसायिक वैद्यकीय सल्ला, निदान किंवा उपचारांचा पर्याय नाही. नेहमी पात्र आरोग्य व्यावसायिकांचा सल्ला घ्या.

Deep Dive

Read the full guide on how to use this calculator effectively

अधिक वाचा →

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