Body Mass Index (BMI) calculates body fat according to the relationship of weight and height. A BMI less than 20 is considered to be a low BMI for most people. A low BMI may indicate underweight and may be associated with health problems for some people. A BMI of 20-25 is considered to be good. It may indicate a healthy weight for most people. A BMI of greater than 25 is considered to be high for most people. This may indicate overweight or obesity and may increase the risk of developing health problems.

Additional Information:

• Body Mass Index Brochure (204kb pdf)

Related Links:

• Calculate BMI
• Body Mass Index Charts (Kids)
• BMI charts (Adults)
• National Center for Chronic Disease and Health
  Promotion