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.
You can't convert a measurement of area (square) into a measurement of volume (cubic). I'm going to assume you meant 196 cubic feet, which would be 338688 cubic inches.
To convert from square feet to cubic yards, you need to account for the third dimension. Since you are dealing with a thickness of 2 inches, you first convert the 2 inches to feet (2 inches is 0.167 feet). Then, you multiply 4000 square feet by 0.167 feet to get the volume in cubic feet. Finally, convert cubic feet to cubic yards (1 cubic yard is equal to 27 cubic feet) to find the answer. In this case, 4000 square feet by 2 inches is equivalent to approximately 25.9 cubic yards.
"Square cubic anything" is an unknown unit.=> If you have a number of square inches of area, divide the number by 144 to get the number of square feet.241,920 square inches = (241,920 / 144) = 1,680 square feet=> If you have a number of cubic inches of volume, divide the number by 1,728 to get the number of cubic feet.241,920 cubic inches = (241,920 / 1,728) = 140 cubic feet=> If you have a number of square cubic inches, then you've made a serious blunder somewhere up the line. You should repeat your work.
Cubic feet is a measure of volume while square feet is a measure of area. They do not directly convert.
11 cubic meters is equivalent to approximately 388 cubic feet. To convert the cubic feet to cubic inches, you can multiply by 1728 (since 1 cubic foot is 1728 cubic inches). This means 11 cubic meters is about 671,808 cubic inches.
You can convert from feet to inches, or from cubic feet to cubic inches, but you can't convert from cubic feet to inches.
143.8 cu ft in inches
You can convert between feet and inches, or between cubic feet and cubic inches. You can not convert between cubic feet and inches.
4 cubic feet - 6,912 cubic inches
You can't convert that. You can convert feet to inches, or square feet to square inches.
You can't convert cubic feet into inches.But you can convert cubic feet into cubicinches.5.3 cubic feet is the same volume as 9,158.4 cubic inches.