Body mass index (BMI) is a value derived from the mass (weight) and height of a person. It is a convenient rule of thumb used to broadly categorize a person as underweight, normal weight, overweight, or obese.
The BMI is defined as
Commonly accepted BMI ranges are:
BMI [kg/m2] | |
|---|---|
| Underweight | < 18.5 |
| Normal weight | 18.5 - 25 |
| Overweight | 25 - 30 |
| Obese | > 30 |