144 square inches
144
75 square feet
9 times pi sqinches
12 inches = 1 foot Thus the tiles would be 1 foot square. You therefore need 30 to cover a 30 square foot room.
Multiply length times width; 14 x 12 = 168 square feet.
20 marla
144 square inches
It is 68.0625 square feet.
1/144 of square foot
144
75 square feet
9 times pi sqinches
972 Get a thousand, just in case.
12 inches = 1 foot Thus the tiles would be 1 foot square. You therefore need 30 to cover a 30 square foot room.
1,080 tiles exactly.
It takes 0.6234 gallon (rounded) to cover one square foot of area 1 inch deep.