3 ft = 36 inches
1 square ft= 144 square inch
400 square feet = 400 x 144 = 57600 square inches Number of 60 x 60 square inch in 57600 is 57600/3600 = 576/36 = 16
24 inches = 2 ft 30 inches = 2.5 ft 2 ft x 2.5 ft = 5 square feet.
36 ft * 40 ft = 1440 sq feet.
3 ft = 36 inches
1 square ft= 144 square inch
144
400 square feet = 400 x 144 = 57600 square inches Number of 60 x 60 square inch in 57600 is 57600/3600 = 576/36 = 16
24 inches = 2 ft 30 inches = 2.5 ft 2 ft x 2.5 ft = 5 square feet.
36'x48'=1728 square feet.
A square 20-inch tile is 2.78 square feet.
24*36 = 864 square feet.
36 ft * 40 ft = 1440 sq feet.
28.26 sq in 196 sq ft
There cannot be square feet in an inch. One is an area unit and one is a length unit. Square feet belong to square inch.
A 12 inch by 12 inch tile is 1 ft by 1 ft, which is 1 square foot. So you would need 120 tiles.