A square 20-inch tile is 2.78 square feet.
1.78 square feet.
1.78 square feet.
2.007 sq ft
There are 1.5 times 3 = 4.5 square feet in an 18 inch by 36 inch tile. 18 inches = 1.5 feet (since there are 12 inches in a foot). 36 inches is 3 feet. The area of a rectangular tile is the width x height, so 1.5 x 3 = 4.5 square feet.
1.78 sq feet per tile.
A square 20-inch tile is 2.78 square feet.
3.5555 square feet.
2.25 square feet
This tile has an area of 1 ft2.
1.78 square feet.
4,800 6-inch square tiles.
It is not clear what is meant by an "18x18 square feet" tile. 18ft * 18 ft = 324 square feet, so that one tile will be more than enough. An 18 inch by 18 inch tile cannot be a 18x18 square feet tile.
1.78 square feet.
67.5
Approximately 96 square feet.
2.007 sq ft