3536 sqft 6 inches deep = 3536*0.5 cubic feet = 1768 cu ft = 65.48 cubic yards (approx).
about 432 cubic inches
12.30 cubic yards
84 cubic inches!
96 cubic feet of concrete
55
about 432 cubic inches
54sqare feet
12.30 cubic yards
If it is 4 inches deep/thick, 2 cubic yards. If it is 6 inches deep/thick, 3 cubic yards.
128
800 C feet
18.6240 yd³
84 cubic inches!
0.246914 cu. yards (6.666667 cu. ft ) of concrete is needed.
about 17 yards of concrete (it's sold by the cubic yard)
9x12 feet at 4 inches deep: 1.3 cubic yards.
You will need a minimum of 2.42 cubic yards of cement.