Body mass index

Relative weight based on mass and height

Body mass index (BMI) is a value derived from the mass (weight) and height of a person. BMI is calculated as the body mass, in kilograms (kg), divided by the square of the body height, in square metres (m2). Although this quotient has units of kilograms per square metre, BMI is frequently reported with these units omitted (despite not being a dimensionless quantity).

From Wikipedia, under CC BY-SA. More on occurri.