BODY MASS INDEX (BMI)
Body Mass Index (BMI) is a number calculated from a person's weight and height. BMI is a fairly reliable indicator of body fatness for most people. BMI can be considered an alternative for direct measures of body fat. Additionally, BMI is an inexpensive and easy-to-perform method of screening for weight categories that may lead to health problems.
Your BMI | Interpreting Your Results |
under 18.5 |
Underweight You are under optimum weight for your height. You could afford to gain a little weight. |
18.5 to 24.9 |
Normal You have a healthy weight for your height. |
25 to 29.9 |
Overweight You are over optimum weight for your height. You may be facing health problems, so losing some weight would be a good idea. |
above 30 |
Obese You are over optimum weight for your height. You may be facing health risks, so see your doctor to help you achieve a healthier weight. |
What are the health consequences of overweight and obesity for adults?
The BMI ranges are based on the relationship between body weight and disease and death. Overweight and obese individuals are at increased risk for many diseases and health conditions, including the following:
- Hypertension
- Dyslipidemia (for example, high LDL cholesterol, low HDL cholesterol, or high levels of triglycerides)
- Type 2 diabetes
- Coronary heart disease
- Stroke
- Gallbladder disease
- Osteoarthritis
- Sleep apnea and respiratory problems