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Concrete Calculator by Online Tool Base

Slab Volume. The Concrete Calculator at Online Tool Base works out the volume of concrete needed for slabs, footings, or columns in cubic yards and pre-mix bags.

Foundation Work

onlinetoolbase.online converts units:

  • Volume: Total cubic yards for ordering trucks.
  • Bags: Number of 60lb/80lb bags for DIY mixing.

How to Use

  1. Select Shape (Slab/Footing).
  2. Enter Dimensions.
  3. Get Volume.

Pour with confidence using the Concrete Calculator from Online Tool Base.