BMI Calculator


Weight: 
lbs
Height: 
in



Body Mass Index (BMI)


Classification of Body Composition Using BMI

Underweight < 18.5
Normal 18.5-24.9
Overweight 25.0-29.9
Obesity 30.0-39.9
Extreme Obesity >= 40


*Keep in mind that BMI may not be a good predictor of body composition, due to the
fact that some individuals carry higher than average amounts of lean mass.