Each tile will be one square foot. So you have 135 square feet.
75, 6.25 12 x 12 ft tiles to cover surface of 900 ft2
A 12x12 inch tile covers one square foot. You will need 24 of them, plus a few for spoilage.
144
A 12x12 inch tile covers a square foot. You would need 198 plus spoilage and grout lines.
a room is 31feet by15feet and i am putting 12inch by 12inch tiles how many tiles do i need
Since a 12x12 tile is one square foot, then 38 12x12 tiles will cover 38 square feet.
190
14
68
80 if the tiles are 12x12 - 12x12 is one square foot covering 80 you would need 80 tiles
375
1540
650
If the tiles are 12x12 inches square - you would need... 75 !
549!
Well if 12x12 is one square foot and you have 44 you need to cover figure 10% for breakage (5 tiles) it looks like 50 tiles will do ya
If you're talking floor tiles as opposed to wall tiles and by 12x12 you mean they are 12 inches square, then the answer is 300. Because each tile is one square foot and a 15'x20' room is 300 square feet. Simple, eh?