Concrete Calculator
Estimate concrete volume in cubic yards and cubic meters for slabs, footings, and columns — plus the number of 60 lb or 80 lb bags needed.
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About the Concrete Calculator
Concrete is sold by volume (cubic yards or cubic meters) for ready-mix delivery, or by the bag for small DIY projects. This calculator handles both so you can plan an order or estimate bag count.
Choose your shape — rectangular slab/footing or cylindrical column — pick imperial or metric, and enter the dimensions. We round bag counts up so you don't run short.
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