![]() The calculation of body fat % involves measuring four skinfold sites, triceps, biceps, subscapular and suprailiac, and substitute the log of their sum into one of the following equations, Where D = predicted density of the body (g/ml), and L = log of the total of the 4 skinfolds (mm). In addition to the method provided by the calculators, skinfold measurement (pinch test) and electrical bioimpedance measurement can be used to measure fat. The density value can then converted to Percent bodyfat (%BF) using the Siri Equation The calculation of body fat % involves measuring four skinfold sites, triceps, biceps, subscapular and suprailiac, and substitute the log of their sum into one of the following equations, Where D = predicted density of the body (g/ml), and L = log of the total of the 4 skinfolds (mm). The Durnin and Womersley formula is a general equation with limited population specificity since it was developed from a heterogeneous group of varying ages. This formula does distinguish between males and females.ĭurnin and Womersley Method For Calculating Body Fat Percentage Using a Skin Caliper This is a very general formula whose accuracy is questionable. The Parillo Caliper Method for calculating percent body fat is a very simple method using nine skinfold site measurements. Parillo Method / Formula For Calculating Body Fat Percentage Using a Skin Caliper Once the body density is calculated using the equations, the level of percent bodyfat (%BF) is then be determined using the Siri Equation. We provided two equations that give a value for body density from skin fold skin caliper measurements, from the research of Dr. Jackson / Pollack 7 Site Method and 4 Site Method or Calculating Body Fat Percentage Using a Skin Caliper ![]() Lower Back - Horizontal fold, directly over the kidneys, and 2 inches to the right of spine.Tricep - Vertical fold, midway between elbow and shoulder.Subscapular - Diagonal fold, directly below shoulder blade.Calf - Vertical fold, inside of leg on largest part of calf.Thigh - Vertical fold, midway between knee cap and top of thigh.Suprailiac - Diagonal fold, directly above iliac crest.Abdominal - Vertical fold, one inch to the right of navel.Bicep - Vertical fold, halfway between shoulder and elbow, directly on bicep.Midaxillary - Horizontal fold, directly below armpit.Chest - Diagonal fold, midway between upper armpit and nipple.How To Take Your Skin Caliper Skin Fold Measurements For The Different Areas Allow adequate time for skin to regain normal texture and thickness.If your measurements are not within 1 to 2 mm, re-test all measurements. Take at least two measurements at each site. ![]()
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