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World Health Organization body mass index classification a
| Category | BMI |
|---|---|
| Underweight | <19 |
| Normal weight | 20–24.9 |
| Overweight | 25–29.9 |
| Obesity class I | 30–34.9 |
| Obesity class II | 35–39.9 |
| Obesity class III | >40 |
Calculated as weight in kilograms divided by height in meters squared.
