BMI (body mass index) is a formula that uses both weight and height to estimate body fat. For most people, BMI provides a reasonable estimate of body fat. Excess body fat is related to serious health conditions.
Its biggest weakness is that it doesn't consider individual factors such as bone or muscle mass.
What your BMI means:
|Under 18||You are very underweight and possibly malnourished|
|Under 20||You are underweight and could afford to gain a little weight|
|20 - 25||You have a healthy weight range for young and middle-aged adults|
|26 - 30||You are mildly overweight|
|30 - 35||You are overweight or obese|
Remember that BMI may: