Concrete Calculator Concrete Volume Calculator 🏗️ Concrete Volume Calculator 1. Select Concrete Shape: Rectangular Slab (Length x Width x Thickness) Square/Rectangular Footing Circular/Cylinder (Diameter x Height) Concrete Post/Column 2. Enter Dimensions (Feet): Length (ft): Width (ft): Thickness / Height (in): Diameter (in): Height (ft): 3. Concrete Cost Estimate: $ per Cubic Yard Calculate Volume & Cost