Body mass index (BMI) computer

The body mass index (BMI) helps you to assess whether you are normal, overweight or underweight.

BMI calculator
Body Mass Index (BMI) =

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In this blog article we will show you what the Body Mass Index is like you yours Calculate BMI can what differences in the BMI computer in between Men, women and Children exist and how you have yours BMI with the help of BMI tables can assess.

What is the BMI and what does he say?

Of the Body Mass Index, short BMIis a measure of the evaluation of body weight in relation to height. She was in 1832 by the mathematician Adolphe Quetelet developed and initially became popular in the United States, since insurance companies have calculated the premiums for life insurance and the risk of Overweight could also take into account. Thus, the development was primarily for economic and not for health policy reasons.

The body size and weight are placed in ratio, but the fat content that Muscle mass And the bone density is not taken into account. This applies in particular to strength athletes who have a small body fat percentage with a higher body weight. Therefore here is that BMI only suitable for the assessment, as well as people with a larger bone density or a stronger bone diameter. Overall, it is important how comfortable you feel in your body and with your weight, whether you live healthy and consciously and eat accordingly. If you have the feeling that your diet may have gone out of the helm, one couldJuice cure Rear you back on track and to perceive your natural feeling of hunger and satiety more consciously again. For a healthy eating After the juice cure you will find more here information and Recipes.

What is the formula of the BMI calculator?

the BMI formula For the calculation reads:

BMI = body weight / (body size in meters * body size in meters)

How can I rate my value using the BMI table?

Of the Body Mass Index is calculated for women, men and children according to the same formula and can be used for adults with the help of BMI tables are roughly classified in categories to estimate whether underweight, normal weight, Overweight or already Obesity consists.

Table 1: BMI table for women and men

BMI (KG/M2) Weight/category
< 16 Strong underweight
16-17 Moderate underweight
17-18,5 Slight underweight
18,5-25 Normal weight
25 -30 Obesity/preadiposity
30-35 Obesity Grade I
35-40 Obesity Grad II
> 40 Obesity grade III


In this context, however, not only gender plays, but also that age An essential role. In a man in general, a higher one is Muscle mass share To go out from weight than with the woman, which is why the respective lower and upper limits in men are slightly higher. By nature people take people with the age from 40 years of weight, but weight in advanced age drops due to natural muscle breakdown, since muscles are heavier than fat.

  • BMI women

The optimal area for the Body mass index Vary depending on age at Women as follows:

Table 2: BMI table for women

age BMI
19-24 18-23
25-34 19-24
35-44 20-25
45-54 21-26
55-64 22-27
>64 23-28

  • BMI men

The optimal BMI for men Depending on age In the following areas:

Table 3: BMI table for men

age BMI
19-24 19-24
25-34 20-25
35-44 21-26
45-54 22-27
55-64 23-28
>64 24-29

  • BMI children and young people

For girl can he Body Mass Index be classified accordingly according to age.

Table 4: BMI table for girls

age Optimal BMI
7 13,4-17,9
8 13,3-18,7
9 13,8-19,7
10 14,3-10,6
11 14,8-20,7
12 15,1-21,4
13 15,7-21,9
14 17,1-23,1
15 17,1-23,1
16 17,9-22,7
17 17,9-23,3
18 18,4-23,4


For guys On the other hand, a separate applies accordingly BMI table.

Table 5: BMI table for boys

age Optimal BMI
7 13,7-19,1
8 14,3-19,2
9 13,8-19,3
10 14,7-21,3
11 14,4-21,1
12 14,9-21,9
13 16,3-21,6
14 16,8-22,5
15 17,9-23,0
16 18,6-23,6
17 18,7-23,6
18 18,7-23,9


Frequently asked questions about the BMI:

Which BMI is ok?

If you are value for your body mass index by means of BMI computer If you have, you can classify it using the appropriate tables that are sorted by gender and age (see BMI tables).

From a BMI of 25, generally of Overweight spoken and from a value of 30 begins Obesitywhich can be classified in 3 stages. From a body mass index <18.5 one speaks of underweight. For the classification healthy or increased risk of illness, individual factors always have to be taken into account and it is also important how comfortable you feel in your body, whether you pay attention to your body and your health, live consciously and eat healthy. If that is not the case at the moment and you have the feeling that your body needs relief or you want to change something, then one can Juice cure help with this change. For a healthy eating After the juice cure you will find more here information and Recipes.

How does a BMI computer work?

At a BMI computer is calculated with the following formula of the BMI:

BMI = body weight / (body size in meters * body size in meters)

The value obtained can then be used with the help of BMI tables be classified (see BMI tables).

Which BMI applies to which age?

From the age of eight, the BMI formula With the corresponding calculator be applied. For the classification, you should be the one for children and teenagers up to 18 years BMI table use for children who also differentiates according to gender. For children under 8 years, the pediatrician has corresponding graphics at hand to classify the weight and size. There are for adults over the age of 18 BMI tablesthat broke down according to age, also separated for men and women. Rough becomes the Body Mass Index classified as a normal weight in adults of 18.5-25. Everything below is underweight and it starts Overweight and Obesity With different stages.

What to do with overweight?

When calculating the BMI’s with the calculator found that you are according to BMI tables as Overweight or even Obesity are classified, then you could, for exampleJuice cure Reset your diet to integrate a healthier diet afterwards. Make sure that there are colorful vegetables, a protein source and high -quality fats on your plate for every meal. Sufficient movement is important every day. You do not need to operate high -performance sports, but integrate movement into everyday life is a first step. Also pay attention to your stress level and enough healthy sleep. For a healthy eating After the juice cure you will find more here information and Recipes.

How well is the BMI suitable for the classification of health risks?

Of the BMI gives a rough guideline with regard to weight -related health risks. However, the BMI is not reliable enough as the sole yardstick, since it does not take into account the individual living conditions. Just because your BMI is too high or too low, you are not automatically endangered. Likewise, the BMI cannot guarantee that people with normal weight are not exposed to health risks. Even with athletes, with a very high Muscle content And thus higher weight, the BMI does not give a reliable value, since this is due to the heavier Muscle mass can be classified quickly as overweight. Likewise, normal weights with very little muscles or a light bone building could be classified quickly than underweight, even if they are not from a medical point of view.

For these reasons, the BMI should not be overestimated, but should only serve as a guideline. If your BMI unsettles you, it is best to speak to a doctor.

However, if you have the feeling that you want to pay more attention to your diet and eat more consciously again, then you can have oneJuice cure Realing your diet and your natural feeling of hunger and satiety helps to perceive much more consciously. This makes you feel fitter and more comfortable, so it will be much easier for you to eat you healthy. For further support you will find here information and Recipes.