BMI - Body Mass Index

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A look in the mirror, often this is critical. Am I too fat, too thin or just about right? Do I have to lose weight or gain weight? Questions about your own weight are everyday life for many people. The Body Mass Index (BMI) is a mathematical formula that can be used to calculate a measure of how to assess your own body weight. What exactly does the BMI say?

Calculate BMI - how it works!

If you deal with the topics of weight, weight loss or health you will always meet again on the BMI. Almost all online and print media offer BMI calculators to determine their own BMI value. This is calculated according to a mathematical formula derived from its own body weight shared by the size composed in square.

BMI = weight (in kg): size2 (in m)

With our BMI Calculator, you can easily calculate your BMI yourself.

The BMI was developed by the mathematician Adolphe Quetellt in the 19th century. Although the BMI is currently very popular, it is by no means new.

What does the BMI value say?

With the help of tables, it can now be determined with the calculated BMI, whether one is with the own weight in the normal range or in the zone of overweight or underweight, ie should decrease or increase.

In the benchmarks of the tables are in addition to size and weight also Gender and age considered. Even though the BMI is calculated equally for men, women and children, of course the respective interpretation values ​​in the tables are different.

In general, the normal weight would be BMI 18.5 to 24.9, underweight would thus be given at a BMI below 18.5, obesity would begin at a BMI above 25, and from a BMI of 30 the weight would be in the range of obesity ,

Praise and criticism for the BMI

BMI values ​​are very popular in science and research, and they are also used as a guide by doctors. But exactly as such, the BMI should also be considered, it is a guideline, not a universal value, which alone can provide information about normality and health status of the weight.

The main criticism of BMI is that it can not provide any information about the composition of muscles and fatty tissue through its calculation. For example, in a bodybuilder who has a lot of muscle, the BMI would give a value that would indicate overweight according to the table. An active athlete with a high muscle mass would therefore have a high BMI, although no oversized fat stores are available. Also, with a high BMI value, targeted conclusions about an increased risk of cardiovascular diseases can not be automatically drawn.

Include fat distribution

Overweight is certainly an increased risk to one's own health. However, not only the number of kilos is decisive, but also their distribution in the body provides information about whether losing weight is advisable.

Use our Fat Distribution Calculator to find out what your Waist-to-Hip Ratio (waist / hip circumference) ratio is.

Ultimately, a doctor should always consult a person who is overweight or underweight. A doctor can provide detailed information about the state of health of the body and weight by means of further measuring instruments, as well as recognize related risk factors.

BMI calculator for children

Given the significant increase in overweight children in recent years, it is very important to pay close attention to a healthy weight ratio of children. The BMI calculator can also be used for children, the table values ​​are based on the standard weight of the respective age.

But especially for children should be that the weight can vary even after growth spurt and age. Since children should never be prescribed a diet for weight loss, it is advisable to consult the pediatrician for weight problems.

Conclusion: Body Mass Index as a guide

The BMI can serve as a guideline and control for your own weight and health. Possible consequences (for example diet for losing weight) from the result should always be discussed with a doctor.

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