BMI Calculator

Classification of Body Mass Index
Classification BMI (kg/m2) Risk of co-morbidities (Health Consequences)
Underweight <18.50 Low (but possibly increased risk of other clinical problems)
Normal range (Healthy Weight) 18.50 – 24.99 Average
Overweight >25.00
Pre-obese 25.00 – 29.99 Increased
Obese class 1 30.00 – 34.99 Moderate
Obese class 2 35.00 – 39.99 Severe
Obese class 3 >40.00 Very severe