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how to calculate concrete by yard. Multiply the length by the width to determine square footage. An estimated cubic yardage will show in the box.
This calculator is to be used as an estimating tool. Calculate the volume of your area after determining its shape see the examples below by multiplying it with the thickness of the concrete. Enter Height 4 ft or 48 in Enter Diameter 10 in.
Calculate and the answer is 008 cubic yards for one concrete tube.
For example with measurements of 20 25 20 30 and 20 feet the average would by 2025203020 5 or 23 feet. The calculator will indicate the number of 60 lb bags you will need to build a 4 inch or 6 inch slab. The formula for cubic yards is this. Calculate the volume of your area after determining its shape see the examples below by multiplying it with the thickness of the concrete.