# how to calculate bmi

## Check your BMI

Enter your weight and height below to check your BMI results

Your BMI results will appear here

## bmi formula

## Body mass index

Body mass index (BMI) is a value derived from the mass (weight) and height of a person. The BMI is defined as the body mass divided by the square of the body height, and is universally expressed in units of kg/m2, resulting from mass in kilograms and height in metres.