🏗️ Concrete Calculator

Cubic yards and bags for any slab.

Length (ft)

Width (ft)

Thickness (in)

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Cu Feet

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Cu Yards

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60lb Bags

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80lb Bags

Order 5–10% extra for waste and uneven subgrade.

Bags per cubic yard?

~45 bags (60lb) or ~34 bags (80lb) per cubic yard. Ready-mix is better for large pours.