Evaluation Of Results - Beurer BG 51 XXL Instructions For Use Manual

The following data are automatically displayed consecutively:
1 Body fat
2 Muscle content
3 BMI
4 Weight
5 Body water
6 Bone mass
7 Calorie consumption
1
2
3
The scale switches itself off automatically after approx. 15 seconds.

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.
4
Woman < 20 years
Over- Age
weight
18,5 – 26,1 10
19,2 – 28,0 11
19,9 – 30,0 12
20,8 – 31,7 13
21,8 – 33,1 14
22,7 – 34,1 15
23,5 – 34,8 16
24,3 – 35,2 17
24,9 – 35,4 18
25,4 – 35,5 19
Over-
weight
25,0 – 40,0
12
Under- Normal weight
weight
12,7 – 14,7 14,8 –18,9
13,0 – 15,2 15,3 –19,8
13,3 – 15,9 16,0 – 20,7
13,7 – 16,5 16,6 – 21,7
14,2 – 17,1 17,2 – 22,6
14,6 – 17,7 17,8 – 23,4
15,0 – 18,1 18,2 – 24,0
15,3 – 18,3 18,4 – 24,4
15,6 – 18,5 18,6 – 24,7
15,8 – 18,6 18,7 – 24,9
5
6
7
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