| BMI | Rating | Waist Size | |
|---|---|---|---|
| ≤ 40 in. (men) ≤ 35 in. (women) |
> 40 in. (men) > 35 in. (women) |
||
| 18.5 or less | Underweight | -- | N/A |
| 18.5 to 24.99 | Normal Weight | -- | N/A |
| 25 to 29.99 | Overweight | Increased | High |
| 30 to 34.99 | Obese | High | Very High |
| 35 to 39.99 | Obese | Very High | Very High |
| 40 or greater | Extremely Obese | Extremely High | Extremely High |
BMI is equal to or less than 18.5 (Underweight)
A lean BMI can indicate that your weight may be too low. You should consult your physician to determine if you should gain weight, as low body mass can decrease your body's immune system, which could lead to illness.
BMI is between 18.5 and 24.9 (Normal)
People whose BMI is within 18.5 to 24.9 possess the ideal amount of body weight, associated with living longest, the lowest incidence of serious illness, as well as being perceived as more physically attractive than people with BMI in higher or lower ranges.
No treatment needed
BMI is between 25 and 29.9 (Overweight)
People falling in this BMI range are considered overweight and would benefit from finding healthy ways to lower their weight, such as diet and exercise. Individuals who fall in this range are at increased risk for a variety of illnesses.
BMI is over 30 (Obese)
Individuals with a BMI over 30 are in a physically unhealthy condition, which puts them at risk for serious illnesses such as heart disease, diabetes, high blood pressure, gall bladder disease, and some cancers. These people would benefit greatly by modifying their lifestyle.