500 Sq Ft could be an infinite number of Dimensions.  Sq Ft or Area is calculated by length X width. So 500 Sq Ft  could be 20 X 25 or 10 X 50.  So to find the dimensions or (Size) of a 500SqFt room you start out with: Area/length=width 500/?=width   Just plug in one dimension to find the other. … Read more