The body mass index (BMI) can be used to assess whether you are underweight, normal or overweight.
Here, the body weight is evaluated in relation to the body height. The weight (in kilograms) is divided by the square of the height (in metres).
BMI is thus measured using the International System of Units (SI) in kiolgrams and metres. Converted into Anglo-American units,
the formula for BMI is: 703 × weight in lbs / (height in inches)².
When assessing the BMI, gender and age play an important role.
For men, the normal weight is between 20 and 25 kg/m²,
as they have more muscle mass than women. For women, a BMI between
19 and 24 kg/m² is considered normal weight.