Body Mass Index (BMI)
BMI is a relative measure of your weight to your height and as such indicates your ideal weight range based on your height.
It is calculated by dividing your weight (in kilograms) by the square of your height (in metres).
Classification of Body Mass Index
| Classification | BMI | Risk of Co-morbities |
| Underweight | < 18.50 | Low |
| Normal Range (Healthy Weight) | 18.50 - 24.99 | Average |
| Overweight | > 25 | |
| Preobese | 25 - 29.99 | Increased |
| Obese Class 1 | 30 - 34.99 | Moderate |
| Obese Class 2 | 35 - 39.99 | Severe |
| Obese Class 3 | > 40 | Very Severe |
Reproduced from: Obesity: Preventing and Managing the Global Epidemic, 2000, WHO, Geneva
Use the BMI Calculator on the right to workout your Current BMI.
© CFA 2007 ~ This site is maintained by CFA on behalf of Victorian Emergency Service Volunteer organisations.
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