Compute your BMI

Body mass index: 9 st, 11 lb 5 ft, 5 in

The BMI test below will quickly show if your weight is perfect, severely underweight or obese.

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 < 0.74 = Underweight.
  • BMI Prime > 0.74 and < 1.00 = Optimal weight
  • BMI Prime > 1 = Overweight

Body Mass Index Formula

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)