If you are unable to use our BMI Calculator, or if you are interested in how BMI is calculated, this page has the mathematical BMI Formula.
English BMI Formula 

BMI = ( Weight in Pounds / ( Height in inches x Height in inches ) ) x 703 
Metric BMI Formula 
BMI = ( Weight in Kilograms / ( Height in Meters x Height in Meters ) ) 
Now that you know your BMI, you can determine if you're at risk for BMI Related Disease.

