Body mass index (BMI) is a measure of body fat based on height and weight that applies to adult men and women. Use the tool below to compute yours.

| Underweight | BMI is less than 18.5 | 
| Normal weight | BMI is between 18.5–24.9 | 
| Overweight | BMI is between 25–29.9 | 
| Obesity | BMI of 30 or greater |