Body Mass Index (BMI) uses height and weight measurements to determine whether a person is underweight, a healthy weight, overweight or obese. BMI is calculated by dividing weight (kg) by height (m) squared.
Calculate your BMI here
| BMI |
= |
Weight (kg) / |
| |
|
Height (m) x Height (m) |
| |
= |
65kg |
| |
|
1.7m x 1.7m |
| |
= |
65kg |
| |
|
2.89 |
| |
= |
22.5kg/m² |
BMI classifications
New Zealand Europeans
| Underweight: |
less than 18.5 |
| Healthy: |
between 18.5 and 24.9 |
| Overweight: |
between 25 and 29.9 |
| Obese: |
30 and above |
Maori and Pacific Islanders
| Underweight: |
less than 18.5 |
| Healthy: |
between 18.5 and 25.9 |
| Overweight: |
between 26 and 31.9 |
| Obese: |
32 and above |
Asians and Indians
| Underweight: |
less than 18.5 |
| Healthy: |
between 18.5 and 22.9 |
| Overweight: |
between 23 and 24.9 |
| Obese: |
25 and above |
A BMI in the healthy weight range is associated with the lowest risk of disease.
Note: BMI should be used as a guide only and is not appropriate for people under the age of 18 years, very muscular people, pregnant women or those who are very short (<1.5m) or very tall (>1.9m) (NZDA 2007 Clinical Handbook)
