what is BMI

Body mass index (BMI) is a measure of body fat based on height and weight that applies to adult men and women. Use the “Metric Units” tab for the International System of Units or the “Imperial” tab to convert units into either US or metric units.
Imperial
Metric
BMI range
Status
Below 18.5
Underweight
18.5 – 24.9
Healthy
25.0 – 29.9
Overweight
30.0 – and Above
Obese
This calculator provides BMI and the corresponding BMI weight status category. Use this calculator for adults, 20 years old and older.