Concrete Volume Calculator
Cubic yards (and bag counts) for slabs, footings, posts, and columns.
About this tool
Type the shape (slab, footing, post hole, column) and dimensions. Get cubic yards and cubic feet plus the equivalent bag count across 40-, 50-, 60-, and 80-lb Quikrete bags with a 10% waste factor. The r/DIY and r/Concrete 'how much concrete for a 10×10 slab' answer.
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