Construction Tools

Precision building starts with accurate material estimation. These construction calculators help you plan framing, spacing, excavation, masonry, water volume, and finish work with professional accuracy. Everything runs locally for privacy. Try our Concrete Yardage Calculator, Pool Volume Calculator, Lumber Board Feet Calculator, Deck Board Calculator, Baseboard and Trim Calculator, or Rebar Spacing Calculator.

Concrete Mixer Ratio Calculator

Calculate ratios for cement, sand, and aggregate. v1.0

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Concrete Yardage Calculator

Estimate concrete for slabs, footings and post holes. Imperial/metric, waste %, and bag counts. 100% client-side. v1.0.0

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Post Hole Concrete Calculator

Calculate concrete bags from post hole diameter, depth, post displacement, bag yield, waste, and cost. v1.0.0

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Formwork Calculator

Estimate concrete form boards, stakes, braces, fasteners, form oil, waste, and optional material cost. v1.0.0

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Pool Volume Calculator

Estimate pool gallons, litres, cubic volume, average depth, and ppm-based product amounts. Private, client-side. v1.0.0

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Rebar Spacing Calculator

Calculate number of rebar pieces and spacing based on area dimensions. v1.0

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Lumber Board Feet Calculator

Calculate board feet from dimensions and quantity. v1.0

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Roof Pitch Calculator

Calculate pitch from rise and run, angles. v1.0

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Stair Tread/Riser Calculator

Calculate riser height and tread depth based on total rise. v1.0

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Drywall/Sheetrock Estimator

Estimate number of sheets needed for a room. v1.0

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Gravel/Aggregate Coverage Calculator

Calculate tons/cubic yards needed for an area and depth. v1.0

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Paint, Flooring & Tile Coverage Calculator

Estimate paint, flooring and tile materials for multiple rooms. Coats & waste, metric/imperial, tins/packs/boxes. Private, client-side. v1.0.0

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Stucco and Plaster Calculator

Estimate wall area, coats, wet volume, bags, waste, and optional cost for stucco, plaster, render, and skim-coat work. v1.0.0

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Caulk and Sealant Calculator

Calculate caulk and sealant tubes from joint length, width, depth, bead shape, package size, waste, and cost. v1.0.0

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Square Footage Calculator

Calculate square footage for rooms, floors, walls, circles, triangles, and custom areas with waste and export controls. v1.0.0

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Insulation R-Value Calculator

Calculate total R-value from material layers. v1.0

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HVAC BTU Calculator

Estimate cooling & heating BTU/h, convert to AC tonnage, and add headroom with friendly adjustments. v1.0.0

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Window U-Value Calculator

Converter/Calculator for U-value (thermal transmittance). v1.0

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Deck Load Capacity Calculator

Estimate load capacity based on joist size, span, and spacing. v1.0

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Deck Board Calculator

Estimate decking boards, fasteners, gap spacing, picture-frame borders, waste, and optional material cost. v1.0.0

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Baseboard and Trim Calculator

Estimate baseboard, casing, shoe molding, stock pieces, waste allowance, spare length, and optional material cost. v1.0.0

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Compound Miter Crown Molding Calculator

Compute miter and bevel angles for crown molding with corner and spring angles. v1.0

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Baluster and Spindle Spacing Calculator

Estimate baluster count, exact gap, and on-center spacing for code compliance. v1.0

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Stud Wall Framing Calculator

Estimate stud counts, plate length, and board feet with spacing and waste factor. v1.0

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Excavation Swell Load Calculator

Calculate bank vs loose volume with swell factors and truck load counts. v1.0

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Brick and Mortar Calculator

Estimate brick quantities and mortar volume by brick type and joint thickness. v1.0

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Concrete Block Wall Calculator

Estimate CMU blocks, mortar, grout/core fill, rebar, bag counts, waste, and cost. v1.0.0

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Retaining Wall Block Calculator

Estimate retaining wall blocks, caps, base gravel, drainage stone, drain pipe, waste, tonnage, and cost. v1.0.0

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Wallpaper Pattern Repeat Calculator

Calculate wallpaper rolls with pattern repeat waste and strips per roll. v1.0

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Asphalt Hot Mix and Sealer Calculator

Estimate hot mix tonnage, volume, and sealer buckets for driveways. v1.0

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Paver Sand and Gravel Calculator

Estimate paver count, gravel base, and bedding sand volumes for patios. v1.0

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Roof Gutter and Downspout Sizing Calculator

Estimate roof runoff rate, gutter size, and downspout count. v1.0

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Roof Shingle Calculator

Estimate asphalt shingle bundles, roofing squares, waste, and spare coverage from roof area or footprint and pitch. v1.0.0

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Siding Calculator

Estimate siding boards, panels, corner trim pieces, siding squares, and waste allowance. v1.0.0

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Plywood and OSB Sheathing Calculator

Estimate sheathing sheets, waste-adjusted coverage, fasteners, panel clips, weight, and optional cost. v1.0.0

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Fence Material Calculator

Estimate fence posts, rails, pickets, gate openings, hardware sets, concrete bags, and waste allowance. v1.0.0

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Ceramic Tile Grout Calculator

Estimate grout volume and dry mix weight from tile size and joint width. v1.0

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