Concepts/Health/BMI.md

BMI

Markdown

Body mass index (BMI) is a measure of body fat based upon your height and weight that applies to adult men and women only. The formula in imperial freedom units is as follows.

$$ \text{BMI}=703.0717*\frac{\text{Pounds}}{\text{Inches}^2} $$

For a 175 pound human that is 73 inches tall this works out to a BMI of...

$$ \begin{align} \text{BMI}&=703.0717*\frac{\text{Pounds}}{\text{Inches}^2}\\ \\ \text{BMI}&=703.0717*\frac{175}{73^2}\\ \\ \text{BMI}&=703.0717*\frac{175}{5329}\\ \\ \text{BMI}&=703.0717*0.032839181835241\\ \\ \text{BMI}&=23.088299399512105 \end{align} $$

...approximately 23.1. BMI breakpoints for weight healthiness are generally considered as follows...

BMI RangeClassification
Below 18.5Underweight
18.5-25Normal
25-30Overweight
30-35Class 1 Obesity
35-40Class 2 Obesity
Above 40Class 3 Obesity

Given the chart above we can see that our 175 pound 73 inch tall human is considered normal weight.