There are some details to note when calculating Body Mass Index with regard to gender and age: It is far easier to use the BMI calculator on this website to determine Body Mass Index. Therefore, in the example above, the man’s BMI is 22.24 kg/m 2. To be accurate, however, the units must be included. In the 1980s, the World Health Organisation, or the WHO, used the name BMI and this is still used today.īMI is normally considered exclusively as a number.
Rather, he applied the Body Mass Index for the statistical comparison of whole populations. However, Keys had not intended the BMI to be used to assess the body weight of individual persons. He linked it to the topic of health.īMI became the name of the formula for the first time in 1972 through the publication of an article by the American dietician, Ancel Benjamin Keys. In the first half of the 20th century, the Austrian researcher Ignaz Kaup further developed the index. The basis of today’s BMI – namely the formula used to calculate the body mass ratio – was developed in 1832 by the Belgian mathematician Adolphe Quetelet. Optimally, your BMI should be in the “Normal weight” class, so between 18.5 and 24.9.
It is subdivided from Class I to Class III. The official classification according to the World Health Organisation, the WHO, describes further subdivisions of obesity – depending on the severity of your BMI. Obesity is also known as adiposity or obeseness. Obese:Īs soon as your BMI reaches 30 or above, you are classed as “Obese”. This classification applies up to a BMI of 29.9 kg/m 2 and should be considered a warning sign for obesity. If your BMI value is over 25 kg/m 2, this is classed as “Overweight”. The BMI calculator also shows if someone has a problem because of their weight. This range indicates that the ratio of bodyweight to height is classed as healthy. Those who want to achieve an optimal BMI should aim towards this range. If your Body Mass Index is in the range between 18.5 and 24.9 kg/m 2, this is a normal weight. In this case, you should try to bring yourself up to a healthy normal weight in a healthy way – this means by eating a balanced diet in combination with exercise. If the BMI calculator reveals a value under 18.5 kg/m 2, this is classified as “Underweight”.
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