BMI is a dimension for specifying the nutritional state of adults (20 years and older). Based on height and body weight, a classification can be made into underweight, normal weight as well as overweight and obesity.
| BMI (kg/m²) | Nutritional state |
|---|---|
| < 18.5 | Underweight |
| 18.5 to < 25 | Normal weight |
| 25 to < 30 | Overweight |
| 30 to < 35 | Obese (class I) |
| 35 to < 40 | Obese (class II) |
| ≥ 40 | Obese (class III) |