Calculating Height, Weight and BMI from Incomplete Data

BMI is often used as a measure of obesity when performing population analysis. It is easy to calculate and only requires a person’s Height and Weight. The basic formula is Weight in Kilograms divided by Squared Height in Meters (Weight \div Height^{2} = BMI).

Sometimes when working with large datasets, you may find that you only have part of the picture. I have noticed that some clinical systems will just log the BMI and either the Height or Weight and not all three measurements. That missing measure can, however, be calculated if the other two are present. Continue reading “Calculating Height, Weight and BMI from Incomplete Data”