Concrete Calculator
Estimate concrete volume and bags for your project.
Calculate6 available · 1 in development
Estimate concrete volume, bags and materials for slabs, footings, driveways, piers and post holes with clear project-ready results.
Estimate concrete volume and bags for your project.
CalculateEstimate concrete for slabs, patios, floors and pads.
CalculateWork out how many bags of premixed concrete you need.
CalculateEstimate concrete for strip footings and rectangular pad footings.
CalculateEstimate concrete for round piers and form tubes.
CalculateEstimate concrete around embedded posts in round post holes.
CalculateThese calculators are not finished yet. Meanwhile, browse the full calculator directory.
Concrete volume starts with the finished dimensions of the space you need to fill. Slabs use length × width × depth, while footings, piers and post holes use shapes suited to their geometry.
Order quantities usually include a small waste allowance for uneven excavation, spillage and variations in subgrade. Always confirm delivery minimums and mix requirements with your supplier.