Body Mass Index (BMI) Calculator

BMI is determined by your weight in kg divided by your (height in metres)2. BMI estimates whether you are underweight, healthy weight, overweight or obese, based on your height and weight.
Doctors, dietitians and other health professionals use BMI as an indication of your risk of chronic disease. It is designed for men and women over the age of 18 and should not be used by pregnant women.

Height in cm - (without shoes):
Weight in kg - (without clothes):

Your BMI result


Last Reviewed: 4 February 2016


1. Overweight and obesity [revised October 2012]. In: eTG complete. Melbourne: Therapeutic Guidelines Limited; 2015 Mar. Available at: (accessed May 2015).
2. Australian Government; National Health and Medical Research Council (NHMRC). Clinical practice guidelines for the management of overweight and obesity in adults, adolescents and children in Australia, 2013. Melbourne: NHMRC. (accessed Jun 2015).