Evaluation of results – Beurer PS 45 User Manual
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b. Weighing yourself and calculating BMI
• Using the
buttons, select the user memory space where your settings have been
saved.
• Wait until “
0.0
kg” is displayed again. You can now use the scale. Stand still whilst
weighing yourself.
The weight is displayed with trend, average weight and BMI with interpretation (Fig. 3).
The scale switches itself off after approx. 15 seconds.
Accessing saved measurements
After a measurement with BMI calculation, your last 5 measurements can be displayed.
• After a BMI calculation, browse through the memory spaces for the measurements one by one using
the button. Top: current weight; Middle: last weight; Bottom: memory space.
If no values are saved, no average value is displayed.
• By pressing again, the current weight, average weight and BMI are shown again.
6. Evaluation of results
Body mass index (BMI)
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
Woman < 20 years
Age Under-
weight
Normal weight
Over-
weight
Age Under-
weight
Normal weight
Over-
weight
5
12,1 – 14,0 14,1–16,5
16,6 – 20,2
5
11,8 – 13,8 13,9 –16,8
16,9 – 21,3
6
12,1 – 14,0 14,1–16,7
16,8 – 20,7
6
11,7 – 13,8 13,9 –16,9
17,0 – 22,1
7
12,2 – 14,1 14,2 –16,9
17,0 – 21,6
7
11,8 – 13,8 13,9 –17,2
17,3 – 23,3
8
12,4 – 14,3 14,4 –17,3
17,4 – 22,8
8
11,9 – 14,0 14,1–17,6
17,7 – 24,8
9
12,6 – 14,5 14,6 –17,8
17,9 – 24,3
9
12,1 – 14,3 14,4 –18,2
18,3 – 26,5
10
12,8 – 14,8 14,9 –18,4
18,5 – 26,1
10
12,4 – 14,7 14,8 –18,9
19,0 – 28,4
11
13,1 – 15,2 15,3 –19,1
19,2 – 28,0
11
12,7 – 15,2 15,3 –19,8
19,9 – 30,2
12
13,4 – 15,7 15,8 –19,8
19,9 – 30,0
12
13,2 – 15,9 16,0 – 20,7
20,8 – 31,9
13
13,8 – 16,3 16,4 – 20,7
20,8 – 31,7
13
13,6 – 16,5 16,6 – 21,7
21,8 – 33,4
14
14,3 – 16,9 17,0 – 21,7
21,8 – 33,1
14
14,0 – 17,1 17,2 – 22,6
22,7 – 34,7
15
14,7 – 17,5 17,6 – 22,6
22,7 – 34,1
15
14,4 – 17,7 17,8 – 23,4
23,5 – 35,5
16
15,1 – 18,1 18,2 – 23,4
23,5 – 34,8
16
14,6 – 18,1 18,2 – 24,0
24,1 – 36,1
17
15,4 – 18,7 18,8 – 24,2
24,3 – 35,2
17
14,7 – 18,3 18,4 – 24,4
24,5 – 36,3
18
15,7 – 19,1 19,2 – 24,8
24,9 – 35,4
18
14,7 – 18,5 18,6 – 24,7
24,8 – 36,3
19
15,9 – 19,5 19,6 – 25,3
25,4 – 35,5
19
14,7 – 18,6 18,7 – 24,9
25,0 – 36,2
Man / Woman ≥ 20 years
Age Under-
weight
Normal weight
Over-
weight
≥ 20 16,0 – 18,4 18,5 – 24,9
25,0 – 40,0
Source: Bulletin of the World Health Organization 2007;85:660-7; Adapted from WHO 1995, WHO 2000 and WHO 2004.
Fig. 3