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how to find out how many yards of concrete i need. Calculate the volume of the area after determining the shape of the area see the chart below by multiplying in the thickness of the concrete. 40 pound bag yields 011 cubic yards.
Divide the total cubic yards by 27 and you will have the total cubic yards necessary for pouring your concrete pool. Cubic Yards to be filled L W 05 27. Input length width and depth of the area.
For our example lets say our footing will be 20 feet long 2 feet wide and 1 foot high.
For size 8 inch. A small mistake in numbers can translate into large amounts of money. Calculate the volume of concrete you need in cubic yards. Calculate volumes for concrete slabs walls footers columns steps curbs and gutters.