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BMI Calculator

Calculate your Body Mass Index (BMI) based on your height and weight. BMI is a screening tool used to identify whether you are at a healthy weight for your height.

Calculate your Body Mass Index (BMI) and see your weight category on a visual gauge. For adults 20 and older.

yrs
ft
in
lbs

BMI Classification — WHO (Adults)

ClassificationBMI (kg/m²)
Severe Thinness
< 16
Moderate Thinness
16 – 17
Mild Thinness
17 – 18.5
Normal
18.5 – 25
Overweight
25 – 30
Obese Class I
30 – 35
Obese Class II
35 – 40
Obese Class III
> 40