Construction calculators
Plan concrete, masonry, wall finishes and roof coverings from your project dimensions.
A tool for every part of the project.
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Concrete calculator
Estimate concrete for slabs, footings, round columns and hollow cylinders.
Concrete slab calculator
Work out concrete yardage and bag yield for a flat slab.
Asphalt calculator
Estimate asphalt volume and tonnage using a mix-specific bulk density.
Asphalt tonnage calculator
Convert measured asphalt volume to US short tons or metric tonnes.
Rebar calculator
Estimate a rectangular reinforcement grid, bar lengths and conservative stock counts.
Drywall calculator
Estimate sheets for the walls and optional ceiling of a rectangular room.
Paint calculator
Estimate paint and whole cans from wall area, coats and labeled coverage.
Brick calculator
Estimate face bricks from wall area and the brick-and-joint module.
Block calculator
Estimate concrete masonry units from wall area and joint dimensions.
Roofing calculator
Estimate roof surface, roofing squares and bundles for a simple uniform-pitch roof.