The Body Mass Index is calculated by putting your body’s height and you weight into relation.

The Body Mass Index is a result of dividing the body weight (kilograms) by the body height squared (meters).

According to the WHO, the result is sorted into these categories:

Body Mass Index Category
< 17 Too low
17–20 Underweight
20–25 Perfect
25–30 Minor obesity
30–35 Unhealthy obesity
35–40 Extremly unhealthy obesity
> 40 Severe adiposotas