9
evaluation of results
Body fat percentage
The body fat values are shown in the display. The following body fat percentages are guide
values (contact your physician for further information). The body fat chart that is also shown on
the display (at the bottom) is only to provide more simple orientation.
Man
Age
Severely
Under-
under-
weight
weight
≤ 30
4-8
8.1-14
> 30
4-11
11.1-17 17.1-23 23.1-30 30.1-70
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.
Body water percentage
The body water percentage is normally within the following ranges:
Man
Age
poor
10-100
<50
Body fat contains relatively little water. Therefore persons with a high body fat percentage
have body water percentages below the recommended values. With endurance athletes, how-
ever, the recommended values could be exceeded due to low fat percentages and high muscle
percentage.
This scale is unsuitable for measuring body water in order to draw medical conclusions con-
cerning age-related water retention, for example. If necessary ask your physician. Basically, a
high body water percentage should be the aim.
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 unit of measure for BMI is [kg/m²]. Using the BMI, weight is classified for
adults (20 years and over) with the following values (source: WHO):
Category
Underweight
Normal weight
Overweight
Obese (overweight)
24
Normal Over-
Obese
weight
14.1-20 20.1-27 27.1-70
O
K
good
very good
50-65
>65
Severely underweight
Underweight
Slightly underweight
Overweight
Class I obesity
Class II obesity
Class III obesity
Woman
Age
Severely
Under-
under-
weight
weight
≤ 30
4-12
12.1-17 17.1-24 24.1-31 31.1-70
> 30
4-15
15.1-20 20.1-27 27.1-34 34.1-70
Woman
Age
poor
10-100
<45
BMI
< 16
16-16.9
17-18.4
18.5-25
25.1-29.9
30-34.9
35-39.9
≥ 40
Normal Over-
Obese
weight
O
K
good
very good
45-60
>60