Concrete Calculator
Calculate concrete needed for slabs, cylinders, and footings.
About this Calculator
Ordering the right amount of concrete is critical — too little means work stops, too much wastes money. This calculator handles the three most common pour shapes: rectangular slabs (driveways, patios, floors), cylindrical columns or footings, and triangular slabs. Enter dimensions and get volume in cubic feet and cubic yards, plus the recommended number of 60lb and 80lb bags for small projects. Includes a 10% waste factor.
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