Body Mass Index Chart
Body Mass Index (BMI) is the most common method used to assess whether your weight is normal. It is calculated as:
BMI = Weight (kilograms) / Height (metre) 2
- BMI equal or above 25 is obese
- BMI between 23 and 24.9 is overweight
- BMI between 18.5 and 22.9 is normal range
- BMI less than 18.5 is underweight
Reference: Regional Office for the Western Pacific (WPRO), World Health Organization 2000
Remarks: The above reference has been recommended by the WHO Western Pacific Region for Asian adults and is not applicable to children under age 18 or women who are pregnant.
For more health information, please call the 24-hour health education hotline of the Department of Health
2833 0111
Centre for Health Protection Website
www.chp.gov.hk
Body Mass Index Chart
Centre for Health Protection
Department of Health
Revised in 2019
