Beurer BG21 764.30 [12/60] Evaluation of results

•

Step onto the scale with bare feet and make sure that you are standing still on the electrodes.

•

All values determined appear after weighing.

Important: There may be no contact between feet, legs, calves and thighs. Otherwise the measurement

will not be performed correctly.

The following data are automatically displayed consecutively:

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].

Mann < 20 Jahre Frau < 20 Jahre

Age Underweight Normal weight Overweight Age Underweight Normal weight Overweight

10 12,7 – 14,8 14,9 –18,4 18,5 – 26,1 10 12,7 – 14,7 14,8 –18,9 19,0 – 28,4

11 13,0 – 15,2 15,3 –19,1 19,2 – 28,0 11 13,0 – 15,2 15,3 –19,8 19,9 – 30,2

12 13,3 – 15,7 15,8 –19,8 19,9 – 30,0 12 13,3 – 15,9 16,0 – 20,7 20,8 – 31,9

13 13,7 – 16,3 16,4 – 20,7 20,8 – 31,7 13 13,7 – 16,5 16,6 – 21,7 21,8 – 33,4

14 14,2 – 16,9 17,0 – 21,7 21,8 – 33,1 14 14,2 – 17,1 17,2 – 22,6 22,7 – 34,7

15 14,6 – 17,5 17,6 – 22,6 22,7 – 34,1 15 14,6 – 17,7 17,8 – 23,4 23,5 – 35,5

16 15,0 – 18,1 18,2 – 23,4 23,5 – 34,8 16 15,0 – 18,1 18,2 – 24,0 24,1 – 36,1

17 15,3 – 18,7 18,8 – 24,2 24,3 – 35,2 17 15,3 – 18,3 18,4 – 24,4 24,5 – 36,3

18 15,6 – 19,1 19,2 – 24,8 24,9 – 35,4 18 15,6 – 18,5 18,6 – 24,7 24,8 – 36,3

19 15,8 – 19,5 19,6 – 25,3 25,4 – 35,5 19 15,8 – 18,6 18,7 – 24,9 25,0 – 36,2

Man / Woman ≥ 20 years

Age Underweight Normal weight Overweight

≥ 20 15,9 – 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.

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

with

Interpretation

Weight

Body water

BMR

Muscle

percentage

BMI

Bone mass

AMR