18*18 is 324in2. This is 0.25 square yards. So you need 4 tiles
236 18-inch tiles.
616 3x6 inch tiles are needed to cover exactly 77 square feet.
One side of a square is 10 inches long. How many one square inch tiles are needed to cover its area?
90 tiles.
The number of 13 inch tiles needed will depend on the actual dimensions of the floor rather than the square footage. If the room is square, 169 tiles, with 1/16 inch or larger grouted seams, will completely cover it. If the floor is rectangular, additional tiles will be needed, the exact number depending on how many tiles must be cut. As a general rule, approximately 10 percent extra is usually sufficient to cover waste from cutting and accidental breakage.
5,184 2-square-inch tiles are needed.
236 18-inch tiles.
647
968
144
288 6-inch tiles are needed.
54
260 approx.
You will need 44 six inch tiles to cover 11 square feet.
616 3x6 inch tiles are needed to cover exactly 77 square feet.
The perimeter of a square is 100 inches. How many square tiles 1 inch on each edge are needed to cover its area?
2271/2 4.5-inch tiles are needed so buy 228.