There are 40*3*4 = 480 cubic feet.
That is 27 cubic ft.
There are 0.13368 cubic feet in a gallon.
There are 27 cubic feet in a cubic yard.
To convert square feet to cubic feet, you need to multiply by the depth. In this case, 950 square feet at 6 inches deep would be 47.5 cubic feet (950 sq ft * 0.5 ft).
There are 40*3*4 = 480 cubic feet.
A yard of concrete is 27 cubic ft. Your measurements, if in feet, represents 480 cubic ft. Dividing this by 27 results in 17.78 yards.
64 cubic feet
500 cubic feet
12 ft * 72 ft * 12 ft = 10368 cubic feet.
20 ft!
40 ft
1375 cubic feet will create an object that is 11.2 ft. x 11.2 ft. x 11.2 ft.
That is 67,200 cubic ft.
That is 18 cubic ft.
75 cubic feet
100 cu ft × 2 = 200 cu ft.