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Concrete Calculator
Estimate cubic yards of concrete for a slab.
Concrete Calculator result
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Calculated volume2.96 cu yd · 2.27 m³With waste3.26 cu yd · 2.49 m³Suggested ready-mix order3.5 cu yd
Ready-mix orders are rounded up. Confirm minimum loads, forms, reinforcement, site access, delivery, and local requirements.
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How this tool works
Length × width × thickness calculates volume, which is converted from cubic feet to cubic yards before waste and order rounding are applied.
Limits to know
The result is a geometric volume estimate, not a structural specification. Excavation variation, subbase, forms, reinforcement, mix design, slump, spillage, truck minimums, and local code are outside the calculation.