Body Mass Index - BMI Formula

Calculating body mass index requires only two measurements, height & weight. To get quick result, you can use online BMI index calculator.

Imperial BMI Formula

Imperial BMI Formula To calculate your Body Mass Index, take your weight (in pounds) multiply 703, and divide by your height (in feet) squared .

Example:
Someone who is 5feet and 10inches height and weight 170 pounds
5feet and 10inches = 70 inches
BMI calculation = 170 * 703 / (70)2 = 24.39
This person has normal BMI index.





Metric BMI Formula

Metric BMI Formula To calculate your Body Mass Index, take your weight (in kilograms), and divide by your height (in meters) squared.

Example:
Someone who is 1.80 m height and weight 80kg
BMI calculation = 80 / (1.80)2 = 24.69
This person has normal BMI index.