Construction & Building Calculators

Calculate concrete yardage, slab costs, bag counts, mix design ratios, CMU blocks, rebar grids, gravel, sand, mortar, bricks, stucco, footings, retaining walls, asphalt, and epoxy coatings.

Calculate board feet, lumber prices, wall studs, headers/beams, rafter lengths, roof pitch, joist spans, deck boards, railings, pergolas, stair handrails, siding, OSB, and fasteners.

Calculate roofing squares (100 sq ft), 3-tab & architectural shingle bundles, metal roofing panels, roof pitch multipliers, gutters, underlayment rolls, roof valleys, and ridge vents.

Calculate net floor square footage, tile boxes, tile grout lbs, hardwood & laminate cartons, carpet square yards, LVP vinyl planks, 3/4" subfloor sheets, baseboard trim, and self-leveling compound.

Calculate 4x8 & 4x12 drywall sheets, joint compound buckets, interior/exterior paint gallons, wallpaper double rolls, primer coverage, ceiling texture compound, siding paint, and deck stain.

Calculate fiberglass batt rolls, open/closed cell spray foam board feet, thermal R-values, heating & cooling BTUs, AC tonnage, flex duct diameters, and attic ventilation.

Calculate mulch cubic yards & bags, topsoil tonnage, sod pallets, patio pavers, retaining wall blocks, gravel driveways, fire pits, pool fill gallons, fencing linear feet, and artificial turf.

Calculate picture frame gallery wall spacing, curtain drape fabric yards, recommended rug sizes, room walkway clearance, room square footage, crown molding sticks, shelving, and backsplash tile.

Estimate whole-home remodel budget ranges, home addition costs, kitchen & bathroom overhaul breakdowns, cost per square foot, contractor labor rates, markup multipliers, and material waste percentages.

Calculate AWG wire gauge size by voltage drop & distance, main service panel amperage load, circuit breaker sizes, NEC receptacle outlet spacing, and generator surge wattage.

Calculate PEX & copper supply pipe diameters by GPM flow rate, first-hour rating water heater sizing, household septic tank gallon capacity, and elevation PSI pressure loss.

Calculate linear feet of window trim casing & stool aprons, interior & exterior door frame jamb materials, garage door rough opening clearances, and window U-value thermal BTU heat loss.