Convert squares to square foot

https://hotel-wiki.win/index.php/Pros_and_Cons_of_Metal_Roof_Coverings_for_Your_House

<h2>Exactly how do I determine square feet?</h2> Building shingles are thicker and also larger than standard 3-tab shingles. It's always much better to overstate the weight of roofing debris as opposed to taking