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Saturday, June 19, 2010

Cubic yard formula for concrete estimating

A cubic yard is one kind of unit of measurement mostly used in estimating the amount of concrete required for a project. In order to estimate the amount of concrete, the volume of the spaces occupied by the concrete should be determined first. Concrete is ordered by the cubic yard.
To calculate a cubic yard, use the formula by multiplying the length, width and height of the area. The cubic yard is equivalent to 27 cubic feet. One cubic yard of concrete would fill a container that is 1 yard by 1 yard by 1 yard or 3 feet by 3 feet by 3 feet or 27 cubic feet.
As for example a patio of 12 feet by 10 feet at 6 inches deep = (12' x 10' x 6") / 324 = approx. 2.25 cubic yards (2.22 rounded to a typical delivery amount)
Next, determine the depth desired in inches. Multiply the total square feet by the depth in inches. Divide it by 324.

Rajib Dey
The construction estimating

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