Building & Construction Calculators
20 Free, interactive project planning calculators for countertops, slabs, tiles, concrete, gravel, pavers, paint, flooring, roofing, and stairs. Get instant accuracy for materials, waste, and costs.
Granite & Natural Stone Weight Calculator
Calculate total weight in pounds (lbs) & tons for granite, quartz, marble, and quartzite slabs to verify floor framing & cabinet load safety.
Countertop Cost Calculator
Estimate natural stone & quartz material, edge fabrication, cutouts & installation costs.
Square Footage Calculator
Calculate total surface area for rooms, countertops, walls & floor plans with waste margin.
Slab Calculator
Determine the exact number of full granite, quartz, or marble slabs required for your project.
Tile Calculator
Calculate required ceramic, porcelain, or stone tiles, box counts, and spare backup tiles.
Backsplash Calculator
Estimate backsplash area, tile or slab square footage, and total material & labor installation cost.
Concrete Calculator
Calculate concrete volume in cubic yards and cubic feet, plus premix bag counts (50lb, 60lb, 80lb).
Gravel Calculator
Estimate required gravel weight in tons and volume in cubic yards for driveways, patios, and drainage.
Mulch Calculator
Calculate landscape mulch volume in cubic yards and 2 or 3 cubic foot bag counts.
Paver Calculator
Calculate pavers needed, pattern cut waste, crushed gravel base, and bedding sand volume.
Retaining Wall Calculator
Estimate retaining wall block units, cap stones, and drainage gravel backfill.
Paint Calculator
Estimate total paint gallons and primer needed for walls and ceilings minus windows & doors.
Flooring Calculator
Calculate hardwood, LVP plank, laminate, or carpet square footage and required box counts.
Wall Area Calculator
Calculate net wall area subtracting windows, doors, and custom openings for drywall or tile.
Grout Calculator
Estimate grout weight (lbs) and bag counts based on tile dimensions, thickness, and joint width.
Sand Calculator
Calculate sand volume in cubic yards and weight in tons or 50lb bags for masonry and paver bases.
Topsoil Calculator
Calculate topsoil volume in cubic yards and 0.75 cu ft bags for lawn grading and gardens.
Fence Calculator
Estimate fence panels, posts, gates, and post hole concrete bags for wood or vinyl fencing.
Decking Calculator
Calculate deck boards, total linear feet, joists count, and hidden fastener deck screws.
Roofing Calculator
Calculate actual roof surface area, roofing squares, shingle bundles, and underlayment rolls.
Stair Calculator
Calculate rise, run, step count, stringer diagonal length, and IRC building code compliance.