BMI Calculator
BMI Categories:
| Category | BMI Range |
|---|---|
| Underweight | < 18.5 |
| Normal weight | 18.5 - 24.9 |
| Overweight | 25 - 29.9 |
| Obesity (Class I) | 30 - 34.9 |
| Obesity (Class II) | 35 - 39.9 |
| Extreme Obesity (Class III) | ≥ 40 |
Note: BMI is a screening tool but not a diagnostic of body fatness or health.
For children and teens (2-20 years), BMI interpretation considers age and gender.
For adults, the same BMI categories apply to both genders, though body composition differs.