BMI Calculator
Body mass index (BMI) is a measure of body fat based on height and weight that applies to both adult men and women.
- Enter your weight and height using metric measures.
- Click on "Calculate Your BMI" and your BMI will appear.
BMI Categories:
- Underweight = BMI of less than 18.5
- Normal weight = BMI of between 18.5 and 24.9
- Overweight = BMI of between 25 and 29.9
- Obese = BMI of 30 or greater
BMI Table
| Classification |
BMI(kg/m²) |
| |
Principal cut-off points |
Additional cut-off points |
| Underweight |
<18.50 |
<18.50 |
| Severe thinness |
<16.00 |
<16.00 |
| Moderate thinness |
16.00 - 16.99 |
16.00 - 16.99 |
| Mild thinness |
17.00 - 18.49 |
17.00 - 18.49 |
| Normal range |
18.50 - 24.99 |
18.50 - 22.99 |
| 23.00 - 24.99 |
| Overweight |
≥25.00 |
≥25.00 |
| Pre-obese |
25.00 - 29.99 |
25.00 - 27.49 |
| 27.50 - 29.99 |
| Obese |
≥30.00 |
≥30.00 |
| Obese class I |
30.00 - 34-99 |
30.00 - 32.49 |
| 32.50 - 34.99 |
| Obese class II |
35.00 - 39.99 |
35.00 - 37.49 |
| 37.50 - 39.99 |
| Obese class III |
≥40.00 |
≥40.00 |
Source: Adapted from WHO, 1995, WHO, 2000 and WHO 2004.
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