BMI Calculator

How much should I weigh?

Check your BMI now

Health dangers due to obesity

These consequences are related to overweight and obese adults

Adults whose BMI is greater than 25 (overweight) or whose Body Mass Index is greater than 30 (obese) have a heightened risk for divers diseases and health conditions, including,:

BMI History

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
Bmi 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.

The formula

Measure your BMI with the formula below
  • BMI = weight(kilograms) / height2 (metres2)         (Metric Units)
  • BMI = 703 . weight(pounds) / height2 (inches2)         (Imperial Units)

BMI limitations

BMI categories are generally regarded as a satisfactory tool for measuring whether sedentary individuals are underweight, overweight or obese with various exceptions, such as: athletes, children, the elderly, and the infirm.