Noun: body mass index
- A number reflecting human weight in relationship to height, defined as weight in kilograms divided by the square of the height in meters
- BMI
- A measure of someone's weight in relation to height; to calculate one's BMI, multiply one's weight in pounds by 703 and divide that by the square of one's height in inches; overweight is a BMI greater than 25; obese is a BMI greater than 30
"His doctor noted that his body mass index had increased significantly";
- BMI
Derived forms: body mass indices
Type of: index, index number, indicant, indicator
Encyclopedia: Body mass index