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Concrete Volume Calculator
Estimate concrete volume for a rectangular slab, footing or similar pour from dimensions and quantity.
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Formula
Volume (ft³) = length × width × depth in feet × quantity × (1 + waste%). Cubic yards = cubic feet ÷ 27 and cubic metres = cubic feet × 0.0283168.
Volume (ft³) = length × width × depth in feet × quantity × (1 + waste%). Cubic yards = cubic feet ÷ 27 and cubic metres = cubic feet × 0.0283168.
How it works
1
Enter the rectangular pour dimensions.
2
Set the number of identical pours and waste allowance.
3
Review the cubic-foot, cubic-yard and cubic-metre estimates.
Important notes
For irregular shapes, split the project into simple rectangular sections and total the results. Supplier ordering requirements can vary by project.