About Obesity

Obesity, when used as a medical term, simply refers to people with a body mass index of greater than 30 kg/m².  Body Mass Index (or BMI) is a method of allowing for the fact that taller people will weigh more than shorter people, and is calculated by dividing a person’s weight in kilograms by the square of their height in metres. To calculate your BMI, please enter your information below.

Body Mass Index Calculator

Enter your height:

Enter your weight:

Your BMI is: ? kg/m². This means : ?.

Obesity is  very common with 27.8% of the New Zealand population having a BMI of greater than 30 kg/m² in 2009.

New Zealand Obesity trends

Obesity can further be graded according to BMI, with class II obesity being BMI greater than 35 kg/m², and class III being greater than 40 kg/m².

Body Mass Index categories

Next – Am I a Candidate?