Figure depths and widths as they have been built on the site, not simply what the plans say.
Add a margin of safety
Rule of Thumb for Margin of Safety
If your order is Order this much extra
1-5 cubic yards 0.5-1 c.y. extra
6-10 c.y. 1 c.y. extra
11-20 c.y. 1-1.5 c.y. extra
Calculate How Much Concrete You Need for Your Next Project?
Our Concrete Calculators make it easy to find out how many yards of concrete you need. Simply enter in the desired width, length, and concrete thickness or height and diameter of columns (in inches). Press calculate and you have the answer! Contact us
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