Calculator Tools
BMI Calculator
Calculate BMI from metric or imperial height and weight.
—BMI
—Adult category
kg/cmInput units
Enter height and weight.
How BMI is calculated
Metric BMI = kilograms ÷ meters². Imperial BMI uses pounds and inches with the standard conversion factor.
What BMI can and cannot tell you
BMI is a screening ratio, not a diagnosis. It does not directly measure body fat, muscle mass or overall health.