Body mass index (BMI) is a measure of body fat based on height and weight that applies to adult men and women.
Select Imperial, Metric, or US measurement type.
Enter your weight and height using standard or metric measures.
Select “Calculate” and your BMI will appear below.
Underweight = <18.5
Normal weight = 18.5–24.9
Overweight = 25–29.9
Obesity = BMI of 30 or greater