9x12 feet at 4 inches deep: 1.3 cubic yards.
It depends on the depth required
2.15
This can't be answered because you have not given the third dimension. You must say how thick the slab is.
At least 28.5 cubic yards for a 6-inch depth.
2x2
I would get 12 to be safe.
18 bags (80 pounds) of quikrete for a 4 inch thick slab.
9x12 feet at 4 inches deep: 1.3 cubic yards.
about how much to pour a concrete slaba 12 x 14'
10 cm = 0.1 meterThe volume of the slab is (6 x 8 x 0.1) = 4.8 cubic meters
129
You will need a minimum of 74.1 cubic yards.
The scheduled date for the slab pour on the construction site is next Monday.
If you want a 3" depth, then 4 cubic yards will do it.
Approximately 12.35 Cubic Yards.
If there are no seams in it - it was not poured in sections, but as one continuous pour.