BMI Calculator App

Ming Ho
December 26, 2015

What is BMI?

A measure of body fat based on height and weight that applies to adult men and women

\[ BMI = Coeff * \frac{Weight}{Height^{2}} \]

The value of Coeff depends on the units of Weight and Height.

Interpreting BMI

Interval Weight Category
\( BMI < 18.5 \) Underweight
\( 18.5 \leq BMI < 25 \) Normal
\( 25 \leq BMI < 30 \) Overweight
\( 30 \leq BMI \) Obese


  • Limits of BMI
    • It may overestimate body fat in athletes and others who have a muscular build.
    • It may underestimate body fat in older persons and others who have lost muscle.

App Features

  • Easy user interface

App Features - Continued

  • BMI calculation in two measurement systems
    • Imperial: Pounds & Inches
    • Metric: Kilograms & Centimeters
  • BMI Interpretation