Nine you retard! Twelve by twelve inches is one square foot you GENIUS!
P.S. If you are not setting them straight by staright, you would want to leave about inch of plaster in between each tile so they wont break easy and can expand and shrink with the cold weather.
Chat with our AI personalities
157 18 by 18 tiles are needed to cover 352 square feet.
5,184 2-square-inch tiles are needed.
1540
647
18..