You will need at least 14 cubic yards.
For a 4-inch depth you will need at least 7 cubic yards.
It depends how thick you want it
You will need 17.8 cubic yards of concrete.
12 ft x 10 ft x .333 ft (4 in) = 39.96 cu ft. You need enough concrete for 40 cubic ft.
An 80lb bag of concrete you can at your local home improvement store covers about 4 square foot at 2" thick. So you would need about 144 bags of 80lb concrete.
For a 4-inch depth you will need at least 7 cubic yards.
It depends how thick you want it
For a 4-inch thick slab you will need at least 1.2 cubic yards.
That depends on how deep (thick) you need it to be. You'll need 1 yard of concrete for every 3/4 inch of thickness of the pad.
You will need 17.8 cubic yards of concrete.
24x24=4sq ft. 720/4=180.
12 ft x 10 ft x .333 ft (4 in) = 39.96 cu ft. You need enough concrete for 40 cubic ft.
12 ft x 10 ft x .333 ft (4 in) = 39.96 cu ft. You need enough concrete for 40 cubic ft.
An 80lb bag of concrete you can at your local home improvement store covers about 4 square foot at 2" thick. So you would need about 144 bags of 80lb concrete.
10 yards
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At 4" thick you will need 1.23 cubic yards.