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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?
What else can I help you with?
How many tiles for 12x12 room?
144 tiles
How many 12x12 tiles do you need for a 585 sq foot room?
585
How many 12x12 floor tiles are need to cover a 12x14 room?
168
How many boxes of 12x12 tiles do you need for a 13x13 room?
13 boxes with 13 tiles in each
How many 12X12 tiles do you need to do a 10X11?
The tile is bigger than the area that you want to cover (12x12 > 10x11) so one tile will do. <><><><><> However, if you meant 12x12 INCH tiles, and a 10x11 FOOT room, you would need 110 tiles.
How many 12x12 square tiles do you need for a 375 square feet room?
375
How many 12x12 tiles for a room 14x11?
154
How many 12x12 tiles for a room 11x11?
122
How many 12X12 tiles do you need for a 123 square foot room?
123 will cover it. Get extras.
How many 18x18 ceramic tiles do you need for a 12x12 room?
To calculate the number of 18x18 ceramic tiles needed for a 12x12 room, first determine the area of the room and the area of one tile. The area of the room is 144 square feet (12x12), and the area of one tile is 2.25 square feet (1.5x1.5). Dividing the room area by the tile area, you'll need about 64 tiles (144 ÷ 2.25). It's advisable to purchase a few extra tiles to account for cuts and breakage.
How many 12x12 tiles do you need on a 13x13 room?
Since there are no units given it is not possible to answer the question. The units used for measuring the tiles must be different from those used for the room.
How many 12x12 tiles do you need for a room 36 by 15 feet?
6 tiles that are 12 ft x 12 ft should be enough.
