Calculate your body mass index (BMI) to determine if you are healthy weight for your height. Simply fill in the fields below.

Your weight:
Your height:
Your BMI:
BMI Classification:
Health Risk Classification According to Body Mass Index(BMI)
Classification   BMI Category (kg/m2)   Risk of developing health problems
Underweight   < 18.5   Increased
Normal Weight   18.5 - 24.9   Least
Overweight   25.0 - 29.9   Increased
Obese class I   30.0 - 34.9   High
Obese class II   35.0 - 39.9   Very high
Obese class III   40.0+   Extremely high
 

Note: For persons 65 years and older the 'normal' range may begin slightly above BMI 18.5 and extend into the 'overweight' range.

Source: Health Canada. Canadian Guidelines for Body Weight Classification in Adults. Ottawa: Minister of Public Works and Government Services Canada; 2003.