| Underweight | Less than 18.5 | Body weight is below the healthy range. |
| Normal Weight | 18.5 – 24.9 | Healthy and balanced body weight. |
| Overweight | 25.0 – 29.9 | Higher than normal weight; may increase health risks. |
| Obese (Class I) | 30.0 – 34.9 | Moderate obesity; increased risk of heart disease and diabetes. |
| Obese (Class II) | 35.0 – 39.9 | Severe obesity; significant health risk. |
| Obese (Class III)** (Morbid Obesity)** | 40.0 and above | Very high health risk; medical supervision advised. |