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Calculate your BMI



Body mass index is measure of overweight and obesity. It is a calculation based on ones height to weight ratio.


BMI aims to estimate body fat content and consequentially infer risk of obesity related disease.


The BMI is a useful measure of metabolic health and obesity however it does have limitations particularly in certain groups. 

  • It may overestimate body fat in athletes and others who have a muscular build
  • It may underestimate body fat in older persons and others who have lost muscle mass

Another important consideration is assessing ones risk associated with obesity waist circumference.


A waist circumference greater than 90cm for women and greater than 100cm for men confers a high risk of obesity related disease. 

What is your BMI? Please enter your height and weight to calculate your BMI
< 18.5 Underweight
18.6 - 25 Normal weight
25.1 - 29.9 Overweight (Consider a consultation for non-surgical management)
30.0 - 34.9 Obese (May qualify for surgical management)
35.0 - 39.9 Severely obese (Surgical management most likely indicated)
40.0 - 49.9 Morbidly obese (Surgical management to be seriously considered)
50 > Super Obesity (Surgical management to be seriously considered)