See your BMI on a graph

weight: 0 stones 124 pounds with height: 6 feet 3 inches

Check my BMI

Health risks from being overweight

These risks are associated with overweight and obese adults

Adults whose BMI is greater than 25 (overweight) or whose BMI is greater than 30 (obese) have an elevated risk for many diseases and health conditions, including,:

BMI Origins

Body Mass Index Prime is method of using the results of the BMI calculations to quickly and easily rank a person into a category. Eg:
  • BMI Prime less than 0.74 = Underweight.
  • BMI Prime greater than 0.74 and less than 1.00 = Optimal weight.
  • BMI Prime greater than 1 = Overweight
b m i Prime is a variation of the Quetelet index. Put simply, if you have a Prime of less than 0.74, you are underweight. If your prime is more than 0.74 and less than 1.00, your weight is ideal. If your bmi prime is more than 1 you are defined as being overweight.

Work it out!

You can use the following formula to calculate your BMI :
  • BMI = weight(kilograms) / height2 (metres2)         (Metric Units)
  • BMI = 703 . weight(pounds) / height2 (inches2)         (Imperial Units)

BMI limitations

BMI calculations do not differentiate between muscle mass and fat mass.
See for more information.