Body Mass Index Formula
If you are unable to use the Body Mass Index calculator, or if you are interested in how Body Mass Index is calculated, this page has the mathematical formulas. You can calculate Body Mass Index using wither feet, inches, and pounds, or meters, centimeters, and kilograms.
Body Mass Index can be calculated using pounds and inches with this equation
(Height in inches) x (Height in inches)
For example, a person who weighs 220 pounds and is 6 feet 3 inches tall has a BMI of 27.5.
( 220 lbs.
(75 inches) x (75 inches)
) x 703 = 27.5
Body Mass Index can also be calculated using kilograms and meters (or centimeters).
(Height in Meters) x (Height in Meters)
|BMI = (||
(Height in centimeters) x (Height in centimeters)
|) x 10,000|
For example, a person who weighs 99.79 Kilograms and is 1.905 Meters (190.50 centimeters) tall has a BMI of 27.5.
(1.905 m) x (1.905 m)
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