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how to calculate how many yards of concrete needed. The slabs volume above is expressed as 396 cubic feet but unfortunately concrete is usually measured in cubic yards. If the area is complex or if multiple pours are.
Calculate the volume of concrete you need in cubic yards. Multiply the length by the width to. Dividing cubic feet by 27 a cubic yard will give you the concrete yardage.
Calculate and the answer is 008 cubic yards for one concrete tube.
A 60-pound bag yields017 cubic yards and an 80-pound bag yields022 cubic yards. Steps to Calculate Cubic Yards of Concrete Measure the length width and height of the slab footing or column. This would be good to know if you had a lot of sono-tubes or a large cylinder to fill. Determine the width length and depth of the area you want to concrete.