Product Manual

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Section III – Understanding Results and Norms
In order to determine a discernable change in body composition a 3 % change in body weight is
recommended.
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Body Weight: Indicates the gross total body weight.
% Body Fat: Total Percent of Body Fat. Norms are based on age
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%Body Fat Norms
Male: Under Fat Optimal Overfat Obese
Ages 4-5 <12 12-19 19-23 23+
Age 6 <12 12-20 20-24 24+
Age 7 <13 13-20 20-25 25+
Age 8 <13 13-21 21-26 26+
Age 9 <13 13-22 22-27 27+
Ages 10-11 <13 13-23 23-28 28+
Age 12 <12 12-23 23-28 28+
Age 13 <12 12-22 22-27 27+
Age 14 <11 11-21 21-26 26+
Age 15 <10 10-21 21-25 25+
Ages 16-18 <10 10-20 20-24 24+
Ages 18-39 <10 10-21 21-26 26+
Ages 40-59 <11 11-22 22-27 27+
Ages 60+ <13 13-24 24-29 29+
Female: Under Fat Optimal Overfat Obese
Age 4 <14 14-22 22-26 26+
Age 5 <14 14-22 22-26 26+
Age 6 <14 14-23 23-27 27+
Age 7 <15 15-25 25-29 29+
Age 8 <15 15-26 26-30 30+
Age 9 <16 16-27 27-31 31+
Age 10 <16 16-28 28-32 32+
Ages 11-13 <16 16-29 29-33 33+
Ages 14-16 <16 16-30 30-34 34+
Age 17 <16 16-30 30-35 35+
Age 18 <17 17-31 31-35 35+
Ages 18-39 <20 20-34 34-39 39+
Ages 40-59 <21 21-35 35-40 40+
Ages 60+ <22 22-36 36-41 41+
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Schoeller, Dale. Human Body Composition: Human Kinetics, 2005. Print
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Based on National Institute of Health/World Health Organization Guidelines.