Chart your BMI against the national average
Health dangers due to obesity
These dangers are identified with overweight and obese adults
People with a BMI of greater than 25 (overweight
) or whose BMI is greater than 30 (obese
) have an intensified risk for many diseases and health conditions, including,:
Created in way back in 1830, the b.m.i. is a single figure used to as a way of measuring a person's body shape. Put simply, it is calculated by dividing the body's weight by the square of their height. Eg: Kilograms: weight, divided by Metres (Meters): height.
BMI, sometimes known as the Quetelet index, is a measure used to estimate a person's body shape based upon a person' weight and height. It originated in Belguim around the 1840's by Adolphe Quetelet. It is a simple calculation based on the individual's body weight divided by the square of their height.
Formula for BMI
This is how BMI is calculated
- BMI = weight(kilograms) / height2 (metres2) (Metric Units)
- BMI = 703 . weight(pounds) / height2 (inches2) (Imperial Units)
BMI is particularly inaccurate for people who are very fit or athletic, as their high muscle mass can classify them in the overweight category by BMI, even though their body fat percentages frequently fall in the 10-15% category, which is below that of a more sedentary person of average build who has a normal BMI number.See wikipedia.org/wiki/Body_mass_index#Limitations for further clarification