BMI Calculator
Metric: cm kg
Adult BMI categories (WHO)
| Category | BMI |
|---|---|
| Underweight | < 18.5 |
| Healthy weight | 18.5 – 24.9 |
| Overweight | 25.0 – 29.9 |
| Obesity | ≥ 30.0 |
BMI = weight (kg) ÷ height (m)², or 703 × weight (lb) ÷ height (in)². BMI is a screening measure, not a diagnosis, and does not apply to children, pregnant women or very muscular people.