There are: 8 times 18 = 144 square feet
10' x 18' = 180 square feet.
18 x 12 = 216 square feet.
2.25 square feet.
Just multiply the two together. The answer here is 180 square feet.
You don't. You either A) convert 18 cubic inches into cubic feet, or B) convert 18 square inches into square feet. A... there are 1728 cubic inches in a cubic foot, so 18 cu in would be 0.00104 cu ft. B... there are 144 square inches in a square foot, so 18 square inches would be 0.125 sq ft.
31,104 cubic inches = 18 cubic feet.
18 US gallons equates to 2.4 (2.40625) cubic feet.
That is 18 cubic ft.
One cubic yard is 27 (33) cubic feet, so 18 cubic yards is 18 x 27 cubic feet.
18 x 18 = 324 square feet
18 ft * 33 ft * 52 inches = 18*33*52/12 cubic feet = 72,887.6 litres.
18 square meters is the same as 193.75 square feet.
There are: 8 times 18 = 144 square feet
18 square feet is about 1.7 (1.67225) square meters.
18 square feet = 1.67 square meters.
There are 144 18 square inch tiles in an area of 18 square feet.