Free Construction Calculators
Free online construction calculators for concrete, paint, roofing, drywall, gravel, tile, fencing, and lumber. Get accurate material estimates in seconds.
Concrete Calculator
Calculate cubic yards of concrete, number of bags, and estimated cost for slabs, footings, columns, and stairs.
Paint Calculator
Calculate how many gallons of paint you need for any room, accounting for doors and windows.
Gravel Calculator
Calculate cubic yards, tons, and cost of gravel, sand, topsoil, or crushed stone.
Tile & Flooring Calculator
Calculate tiles needed, boxes, and cost for flooring projects with waste and grout adjustments.
Roofing Calculator
Calculate roof area, shingle squares, bundles needed, and cost based on roof pitch.
Board Feet Calculator
Calculate board feet for lumber projects with optional cost estimation.
Fence Calculator
Calculate posts, rails, pickets, and concrete bags needed for privacy, picket, or chain-link fences.
Drywall Calculator
Calculate drywall sheets, joint compound, tape, and screws needed for any room.