Home & Construction
Area Calculator
Calculate the area of a rectangle from its length and width, then convert the result between metric and imperial area units.
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Calculator collection
Home & Construction
Plan materials, dimensions, and costs for practical projects.
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Available calculators
Showing 39 calculators
Home & Construction
Concrete Calculator
Estimate concrete for slabs, strip footings, cylindrical columns, post holes, or a combined project with multiple areas.
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Home & Construction
Flooring & Tile Calculator
Estimate flooring planks, tiles, grout-aware tile layouts, package counts, and combined room or wall areas.
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Home & Construction
Paint Calculator
Estimate paint for a room, one wall, or multiple walls after subtracting doors and windows, applying coats, coverage, and allowance.
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Home & Construction
Drywall Calculator
Estimate drywall sheets for a room, one wall, or multiple walls, with optional ceiling area, opening deductions, and waste allowance.
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Home & Construction
Wallpaper Calculator
Estimate wallpaper rolls for a room, one wall, or multiple walls using openings, roll size, pattern repeat, and waste allowance.
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Home & Construction
Roofing Calculator
Estimate pitched roof area, shingle bundles, underlayment rolls, and sheathing sheets from roof dimensions, overhang, pitch, and product coverage.
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Home & Construction
Insulation Calculator
Estimate insulation packages for attics, walls, floors, or combined regions using measured area, openings, waste, and product coverage.
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Home & Construction
Brick & Block Calculator
Estimate bricks or concrete blocks for one or more walls using unit face size, mortar joint width, openings, and waste allowance.
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Home & Construction
Mortar Calculator
Estimate wet masonry mortar volume or preblended bags from brick or block quantity, unit dimensions, joint width, fill factor, product yield, and waste.
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Home & Construction
Gravel Calculator
Estimate gravel, crushed stone, road base, river rock, or sand volume, weight, bags, allowances, and optional cost from area and layer depth.
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Home & Construction
Mulch & Soil Calculator
Estimate mulch, topsoil, or compost volume, whole bags, allowance, excess, and optional material cost across multiple areas.
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Home & Construction
Paver & Patio Calculator
Estimate pavers, packs, compacted base, bedding, joint-sand bags, edge restraint, allowances, and optional component costs.
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Home & Construction
Retaining Wall Calculator
Estimate courses, blocks, caps, aggregate, core fill, drain pipe, user-specified geogrid, and optional material cost.
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Home & Construction
Stair Calculator
Calculate equal risers, treads, run, angle, stringer length, surface quantities, space differences, and approximate floor opening.
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Home & Construction
Decking & Deck Material Calculator
Estimate deck boards, reusable cuts, picture-frame borders, joists, rim boards, fasteners, optional railing components, plan-supplied quantities, and material costs.
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Home & Construction
Fence Material Calculator
Estimate preassembled fence panels or site-built pickets, posts, rails, gates, caps, fasteners, post-hole concrete bags, and optional material cost across multiple fence runs.
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Home & Construction
Siding Material Calculator
Estimate siding packages or exposed-face pieces from multiple walls and gables, optional opening deductions, waste, housewrap, starter strip, trim stock, and entered material prices.
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Home & Construction
Lumber & Board Foot Calculator
Build a multi-size lumber list and calculate requested and purchase pieces, board feet, cubic volume, linear length, optional density-based weight, waste, and price by piece or board foot.
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Home & Construction
Wall Framing Material Calculator
Estimate common, king, jack, cripple and extra studs, plates, user-specified header material, sheathing sheets, fasteners and optional material costs across multiple walls and openings.
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Home & Construction
Post Hole & Footing Concrete Calculator
Estimate concrete for multiple circular, square and bell-bottom post holes or standalone round and rectangular footings, with embedded-post displacement, waste, bag yield and cost.
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Home & Construction
Drainage Slope & Fall Calculator
Solve drainage slope, required fall, available run or grade from elevations with mixed units, signed flow direction, ratio, angle, millimeters per meter and inches per foot.
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Home & Construction
Preliminary HVAC Heating & Cooling Load Estimator
Estimate block-level transmission, infiltration, solar, internal sensible and latent heating/cooling loads from explicit envelope, weather, humidity and occupancy inputs in SI or imperial units.
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Home & Construction
Rebar Material Calculator
Estimate two-way rebar grids, stock bars, laps, waste, nominal weight and optional cost across multiple areas.
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Home & Construction
Asphalt & Driveway Material Calculator
Estimate compacted asphalt volume, order weight, allowance, truckloads and optional material cost for multiple paving sections.
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Home & Construction
French Drain Material Calculator
Estimate excavation, gravel, pipe stock, couplers, slope fall, filter fabric and optional cost for multiple drain runs.
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Home & Construction
Pipe Volume & Fill Time Calculator
Calculate full-pipe capacity and liquid weight, then solve ideal fill time, required flow and average velocity across multiple segment groups.
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Excavation & Earthwork Calculator
Estimate bank, loose, backfill, haul-off and imported earth volumes, truckloads and optional costs across multiple pits and trenches.
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Home & Construction
Tile Grout Calculator
Estimate grout volume, weight, whole packages and optional cost from tile-joint geometry or manufacturer-stated coverage.
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Home & Construction
Tile Adhesive & Thinset Calculator
Estimate tile adhesive area, weight, whole packages and cost from manufacturer coverage or an entered application rate.
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Self-Leveling Compound Calculator
Estimate self-leveling underlayment volume, whole bags, primer and cost for uniform or sloped fill depths across multiple areas.
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Sealant & Caulk Calculator
Estimate joint-sealant volume, cartridges, coverage length, backer rod and optional cost across multiple joint groups.
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Home & Construction
Masonry Core Fill & Grout Calculator
Estimate CMU core and bond-beam grout volume, bag yield, rebar displacement and cost for multiple walls.
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Home & Construction
Waterproofing Membrane Calculator
Estimate liquid or sheet waterproofing, primer, seam band, whole packages and cost across multiple surfaces.
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Home & Construction
Drywall Joint Compound Calculator
Estimate joint compound containers, tape rolls, corner bead, purchase volume and cost for a selected drywall finish level.
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Home & Construction
Plaster & Stucco Calculator
Estimate base and finish plaster volumes, whole bags, optional lath rolls and cost from verified yield at reference thickness.
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Home & Construction
Concrete Repair & Resurfacing Calculator
Estimate thin concrete overlays, multiple repair patches, product packages, bonding agent and cost with separate verified yields.
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Home & Construction
Rainwater Harvesting & Tank Calculator
Estimate roof runoff, first-flush loss, collectable rainwater, tank storage, overflow and simplified non-potable demand across multiple roofs.
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Home & Construction
Pool Volume, Fill Time & Water Cost Calculator
Estimate capacity, partial fill or drain volume, ideal time and optional water cost for supported pool shapes or combined sections.
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