Free BMI Calculator
Calculate Body Mass Index (BMI) from height and weight and view the standard adult BMI category ranges.
Calculate your Body Mass Index (BMI), BMI Prime, Ponderal Index, and healthy weight range for your height.
BMI Categories (Adults)
| Classification | BMI Range (kg/m²) |
|---|---|
| Severe Thinness | < 16 |
| Moderate Thinness | 16 - 17 |
| Mild Thinness | 17 - 18.5 |
| Normal | 18.5 - 25 |
| Overweight | 25 - 30 |
| Obese Class I | 30 - 35 |
| Obese Class II | 35 - 40 |
| Obese Class III | > 40 |