Body Fat Calculator

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Calculate Body Fat %
Male Female
CentimetersInches
Height:
Neck:
Waist:
Hips:

Body Fat Test:

How to Measure Body Fat?

Height: taken without shoes
Neck: taken below the larynx sloping slightly downward at the front
Waist: for men at navel height, for women at the smallest point
Hips: (women only) at the largest point

Resources

Why Track Body Fat?
Body Fat Chart By Ace
Body Fat Chart Based on Age
Women and Men's Body Fat Differences
Body Fat Percentage Tests

Body Fat Percentage Chart By Ace

Classification	Women (% fat)	Men (% fat)
Essential Fat	10-12%	2-4%
Athletes	14-20%	6-13%
Fitness	21-24%	14-17%
Acceptable	25-31%	18-25%
Obese	32% plus	25% plus

Body Fat Percentage Chart By Age

FEMALE
Age	Excellent	Good	Fair	Poor
19-24	18.9%	22.1%	25.0%	29.6%
25-29	18.9%	22.0%	25.4%	29.8%
30-34	19.7%	22.7%	26.4%	30.5%
35-39	21.0%	24.0%	27.7%	31.5%
40-44	22.6%	25.6%	29.3%	32.8%
45-49	24.3%	27.3%	30.9%	34.1%
50-54	26.6%	29.7%	33.1%	36.2%
55-59	27.4%	30.7%	34.0%	37.3%
60 +	27.6%	31.0%	34.4%	38.0%

MALE
Age	Excellent	Good	Fair	Poor
19-24	10.8%	14.9%	19.0%	23.3%
25-29	12.8%	16.5%	20.3%	24.4%
30-34	14.5%	18.0%	21.5%	25.2%
35-39	16.1%	19.4%	22.6%	26.1%
40-44	17.5%	20.5%	23.6%	26.9%
45-49	18.6%	21.5%	24.5%	27.6%
50-54	19.8%	22.7%	25.6%	28.7%
55-59	20.2%	23.2%	26.2%	29.3%
60 +	20.3%	23.5%	26.7%	29.8%

Got Estrogen? Body Fat Differences between Women and Men

Women naturally have higher body fat percentages. It averages out to around five percent greater when comparing to men.

Are childbearing hips to blame?

Genetically, women need more body fat for the miracle of birth and have less fat burning enzymes. They also have more enzymes for storing fat that is multiplied by the hormone estrogen.

For that reason, women should only focus on reaching a body fat level that falls into healthy ranges for females, not men. Women that get too lean and maintain it are at a higher risk for other diseases and health issues like osteoporosis. In contract, women that carry a high percentage in the obese range are at a highly likelihood of breast and endometrial cancer, infertility, birth defects and other gynecological issues.

Matthew Johnson (Google+) is a certified personal trainer, nutrition expert and an on-line fitness consultant that started ChangingShape.com back in 2001.

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