70 tiles. Add an additional 10% for cuts.
144 assuming no waste.
41
Floor area = 12 ft x 18 ft = 216 square feet. There are 4 six-inch square tiles needed for each square foot, so 864 tiles are needed.
A 3x12 room is 36 square feet. This means that to fill the floor in the 3x12 room, it will take 36 tiles that are each 1 square foot (12x12) in size.
90 tiles.
400
6.75 Tiles
35
176 tiles
342 of them.
16 x 16 = 256
144 assuming no waste.
12 inches = 1 foot Thus the tiles would be 1 foot square. You therefore need 30 to cover a 30 square foot room.
12 x 13 or 156 tiles.
41
667 of them. Get 733 to be safe.
5,290 Pieces