One acre inch of water is approximately equal to 27,154 cubic feet. This measurement is commonly used in agriculture and irrigation to determine the amount of water needed to cover one acre of land to a depth of one inch.
1.85 cubic yards of cement.
1.25 cubic yards for a 4-inch slab. 2 cubic yards (1.85) for a 6-inch slab.
For a 4-inch thick slab, you will need at least 9.48 Cubic Yards.
For a standard 4-inch thick slab, this area needs at least 3.95 cubic yards.
18x32 feet by 4 inches thick: 7.1 cubic yards. For a 6-inch slab, 10.7 cubic yards.
There are approximately 1233.5 cubic meters in an acre-inch.
For a 4-inch thick slab you will need at least 1.2 cubic yards.
0.69444 cubic yard (rounded)
1/2
3,495.6 cubic yards.
77/9 cubic yards for every inch of depth.