Approximately 108 million American adults are overweight or obese. Increased risk of:
High blood pressure
Osteoarthritis
Sleep apnea
Certain cancers
Stroke
High cholesterol
Type 2 diabetes
Heart disease
Gallbladder disease
CDC/NCHS 1999
Enter your height and weight below. The higher your BMI, the higher your health risk.
Classification of Overweight and Obesity by BMI, Waist Circumference, and Associated Disease Risks
Disease Risk *Relative to Normal Weight and Waist Circumference
BMI
Obesity
Men 102 cm (40 in) or less
Men > 102 cm (40 in)
Range
(kg/m²)
Class
Women 88 cm (35in) or less
Women > 88 cm (35 in)
Underweight
< 18.5
–
–
Normal
15.5 – 24.9
–
–
Overweight
25.0 – 29.9
Increased
High
Obesity
30.0-34.9
I
High
Very High
Obesity
35.0 – 39.9
II
Very High
Very High
Extreme Obesity
40.0+
III
Extremely High
Extremely High
* Disease risk for type 2 diabetes, hypertension, and CVD.
+ Increased waist circumference can also be a marker for increased risk even in persons of normal weight.
