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|Body Mass Index BMI
The body mass index (BMI) or Quetelet index is a value derived from the mass (weight) and height of an individual. The BMI is defined as the body mass divided by the square of the body height, and is universally expressed in units of kg/m2, resulting from mass in kilograms and height in metres.
BMI calculator for adults BMI calculator for chidlren
What your BMI means
Once you have calculated your BMI, you can work out your healthy weight range.
If you have a BMI of:
For older Australians over the age of 70 years, general health status may be more important than being mildly overweight. Some researchers have suggested that a BMI range of 22-26 is desirable for older Australians.
Some exceptions to the BMI rule
BMI does not differentiate between body fat and muscle mass. This means there are some exceptions to the BMI guidelines, including: