Lets say the room is 15 feet long by 12 feet wide, 15 X 12 feet = 180 sq feet. Hope that helped .

14x16

Bathroom is 5 feet 6 inches X 5 feet 1 inch. When ordering flooring is it better to round off the figures and say that it is 6 feet X 6 feet? Then take 6 ft X6 ft = 36 Square feet?