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Concrete Cubic Yards formula. The concrete cubic yards formula is a formula of volume, and as such requires three dimensions: length, width, and depth. This formula can be used for many applications, such as pouring a foundation or a driveway. Follow the steps below to calculate the total number of cubic yards …
Get Price Sent MessageThis totals .11 cubic yards. The porch also has 9 linear feet of 6 step. So enter in the footing calculator, 6 depth by 12 width (always figure steps with a 12 width) by 9' length. This totals .17 cubic yards. The total concrete needed for the 3' by 3' porch will be .28 cubic yards. (.11 + .17 cubic yards = .28 cubic yards)
Read MoreApr 27, 2018 Multiply the cubic yards needed by 1.05 in the following manner to derive the total concrete needed plus 5 percent extra: 123.456 X 1.05 = 129.629 cubic yards. Tip If you measure in inches, convert the inches to feet before completing the formula.
Read MoreThe steps required for calculating cubic yards for concrete are as follows: Mark the space that is to be filled by concrete and divide it into smaller shapes if the area is too big. Calculate the volume of total area by applying the appropriate formula. Convert the volume into cubic yards of concrete needed.
Read MoreInstead of using a concrete calculator to figure your cubic yardage, you can do the math yourself with this formula: pi X r^2 X h - This will give you the volume in cubic inches which we'll convert to cubic feet then to cubic yards. pi = 3.14 r^2 = radius squared or radius x radius (radius is 1/2 the diameter) h = height in inches Here's an ...
Read Moreconcrete calculator formula: (length x width x depth) divided by 27 =# of cubic yards example: 18 feet long, 18 feet wide, 6 inches deep this would be: (18 x 18 x .5)/27 = 6 cu.yards
Read MoreApr 27, 2018 Multiply the cubic yards needed by 1.05 in the following manner to derive the total concrete needed plus 5 percent extra: 123.456 X 1.05 = 129.629 cubic yards. Tip If you measure in inches, convert the inches to feet before completing the formula.
Read MoreFeb 12, 2020 The formula for cubic yards is this: Multiply the length (10 ft.) by the width (10 ft.) by the depth (.35 ft., or 4 in.) and divide it by 27 (the number of cubic feet in a cubic yard). You get 1.3 cu. yds. Then add 10 percent to allow for spillage and slab depth variations to help determine the concrete cost per yard.
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