Evaluation Of Results; Body Fat Percentage - Beurer BG 51 XXL Mode D'emploi

6. evaluation of results

Body weight / Body mass index
The body mass index (BMI) is a number that is often called upon to evaluate body weight. The number is
calculated from body weight and height, the formula is – body mass index = body weight : height². The
measurement unit for BMI is [kg/m²].
Man < 20 years
Age Under- Normal weight
weight
10 12,7 – 14,8 14,9 –18,4
11 13,0 – 15,2 15,3 –19,1
12 13,3 – 15,7 15,8 –19,8
13 13,7 – 16,3 16,4 – 20,7
14 14,2 – 16,9 17,0 – 21,7
15 14,6 – 17,5 17,6 – 22,6
16 15,0 – 18,1 18,2 – 23,4
17 15,3 – 18,7 18,8 – 24,2
18 15,6 – 19,1 19,2 – 24,8
19 15,8 – 19,5 19,6 – 25,3
Man / Woman ≥ 20 years
Age Under- Normal weight
weight
≥ 20 15,9 – 18,4 18,5 – 24,9
Source: Bulletin of the World Health Organization 2007;85:660-7; Adapted from WHO 1995, WHO 2000 and WHO 2004.
Note that with very muscular physiques (body builders), the BMI interpretation will show overweight.
The reason for this is that no account is taken of well above average muscle mass in the BMI formula.

Body fat percentage

The following body fat percentages are for guidance (contact your physician for further information).
Man
Age very good good
10 -14 <11 % 11-16 %
15 -19 <12 % 12 -17 %
20 - 29 <13 % 13 -18 %
30 - 39 <14 % 14 -19 %
40 - 49 <15 % 15 - 20 %
50 - 59 <16 % 16 - 21 %
60 - 69 <17 % 17- 22 %
70 -100 <18 % 18 - 23 %
A lower value is often found in athletes. Depending on the type of sports, training intensity and physical
constitution, values may result which are below the recommended values stated.
It should, however, be noted that there could be a danger to health in the case of extremely low values.
Over-
weight
18,5 – 26,1
19,2 – 28,0
19,9 – 30,0
20,8 – 31,7
21,8 – 33,1
22,7 – 34,1
23,5 – 34,8
24,3 – 35,2
24,9 – 35,4
25,4 – 35,5
Over-
weight
25,0 – 40,0
average poor
16,1- 21 % >21,1 %
17,1- 22 % >22,1 %
18,1- 23 % >23,1 %
19,1- 24 % >24,1 %
20,1- 25 % >25,1 %
21,1- 26 % >26,1 %
22,1- 27 % >27,1 %
23,1- 28 % >28,1 %
12
Woman < 20 years
Age Under- Normal weight
weight
10 12,7 – 14,7 14,8 –18,9
11 13,0 – 15,2 15,3 –19,8
12 13,3 – 15,9 16,0 – 20,7
13 13,7 – 16,5 16,6 – 21,7
14 14,2 – 17,1 17,2 – 22,6
15 14,6 – 17,7 17,8 – 23,4
16 15,0 – 18,1 18,2 – 24,0
17 15,3 – 18,3 18,4 – 24,4
18 15,6 – 18,5 18,6 – 24,7
19 15,8 – 18,6 18,7 – 24,9
Woman
Age very good good
10-14 <16 % 16 - 21 %
15-19 <17 % 17- 22 %
20-29 <18 % 18 - 23 %
30-39 <19 % 19 - 24 %
40-49 <20 % 20 - 25 %
50-59 <21 % 21- 26 %
60-69 <22 % 22 - 27 %
70-100 <23 % 23 - 28 %
Over-
weight
19,0 – 28,4
19,9 – 30,2
20,8 – 31,9
21,8 – 33,4
22,7 – 34,7
23,5 – 35,5
24,1 – 36,1
24,5 – 36,3
24,8 – 36,3
25,0 – 36,2
average poor
21,1- 26 % >26,1 %
22,1- 27 % >27,1 %
23,1- 28 % >28,1 %
24,1- 29 % >29,1 %
25,1- 30 % >30,1 %
26,1- 31 % >31,1 %
27,1- 32 % >32,1 %
28,1- 33 % >33,1 %