Healthy Weight Forum > Calculators & Tools > Body Mass Index Calculator

Body Mass Index Calculator

Use the body mass index calculator to calculate your BMIUse the body mass index calculator to calculate your body mass index (BMI).

The body mass index calculator is only an estimate of the total amount of body fat (provided that age and sex are taken into account). However, the body mass index does not differentiate between muscle mass from fat mass. It is stressed that the body mass index is an estimate only and is not reliable to use for pregnant women, children, body builders, people with eating disorders such as anorexia nervosa and for those who are significantly obese.

We should aim to fall somewhere in the body mass index healthy weight range of 20 - 25 BMI.

To use the body mass index calculator enter your height and weight and click "Calculate BMI"

Enter your height (Metres):
(for example 1.70)


Enter your weight (Kilograms):

 

Your body mass index is

According to the Panel on Energy, Obesity, and Body Weight Standards published by American Journal of Clinical Nutrition, your category is:

  • Underweight is less than 20
  • Healthy range is 20-25
  • Overweight is 25+
  • Obese is 30+
  • Morbidly Obese 40+

Note: This body mass index is only a guide. The World Health organisation now recommends a new classification based on degrees of overweight. To find out about this visit Nutrition Australia

Click here for an advance BMI calculator