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Construction calculators and tools

Measure before ordering. These tools turn dimensions into useful material quantities, with explicit waste and purchase rounding.

Estimate ready-mix volume and bags for slabs, footings, walls, columns and stairs.

Measure rooms and shaped areas, subtract exclusions and estimate area-based costs.

Estimate paint and primer from walls, rooms, openings and coats.

Convert footprint and pitch into roof area, roofing squares and material quantities.

Estimate tiles, boxes and cost across multiple areas with waste and grout spacing.

Estimate aggregate volume, mass, bags and cost using your material density.

Estimate flooring area, waste, boards, packs and purchase cost.