24x24 inch tile equals 4 square feet
275/4 = 68.75
You would need 69. (24x24 inch tiles to cover 275 sqft)
18 10x10-inch tiles.
You'll need 200 18-inch tiles.
480
264
440 6-inch square tiles.
18 10x10-inch tiles.
1296 Tiles
You'll need 200 18-inch tiles.
You will need 47 tiles.
480
616 3x6 inch tiles are needed to cover exactly 77 square feet.
You will need at least 192 tiles.
264
864, give or take a few depending on the space between the tiles.
440 6-inch square tiles.
It will require a minimum of 1,462 tiles. That number will cover about 1,850.34 square feet.
If the tiles are 1 foot squares, it will take 1,650 of them to cover 1,650 square feet. If the tiles are 16 inch square (1-1/3 square feet, each), then it would take 1,238 tiles.