Construction Calculators

49 free calculators for construction questions, planning, estimates and everyday decisions.

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Concrete Calculator

Estimate cubic yards for slabs.

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Gravel Calculator

Estimate gravel volume and tons.

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Asphalt Calculator

Estimate asphalt tons, truck loads and cost.

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Sand Calculator

Estimate cubic yards, tons and cost.

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Fill Dirt Calculator

Estimate dirt volume, tons and truck loads.

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Brick Calculator

Estimate bricks and material cost.

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Concrete Block Calculator

Estimate blocks needed for a wall.

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Fence Calculator

Estimate posts, rails and pickets.

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Drywall Calculator

Estimate drywall sheets, joint compound and screws.

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Roofing Squares Calculator

Estimate roof area and roofing squares from footprint and pitch.

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Roofing Shingles Calculator

Estimate shingle bundles, squares and nails.

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Concrete Footing Calculator

Estimate concrete for continuous wall footings.

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Sonotube Concrete Calculator

Estimate concrete for round columns and post holes.

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Rebar Calculator

Estimate rebar pieces, total length and weight for a slab grid.

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Deck Board Calculator

Estimate deck boards, linear feet and fasteners.

Floor Joist Calculator

Estimate floor joist count and total linear footage.

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Rafter Length Calculator

Calculate common rafter length from run, pitch and overhang.

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Stair Calculator

Calculate riser count, riser height, treads and stair run.

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Excavation Calculator

Estimate excavation volume, swell and truck loads.

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Backfill Calculator

Estimate backfill after subtracting foundations or utilities.

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Paver Calculator

Estimate pavers, base material and bedding sand.

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Retaining Wall Calculator

Estimate retaining-wall blocks, caps and base gravel.

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Insulation Calculator

Estimate insulation coverage, packages and cost.

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Siding Calculator

Estimate siding squares, panels and cost.

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Stud Wall Calculator

Estimate studs, plates and sheathing for framed walls.

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Concrete Curb Calculator

Estimate concrete for rectangular curbs and gutters.

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Asphalt Sealcoat Calculator

Estimate sealcoat gallons, pails and project cost.

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Drain Rock Calculator

Estimate drain rock for trenches, French drains and drainage beds.

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Board Feet Calculator

Calculate lumber board feet from thickness, width, length, and quantity.

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Drywall Sheet Calculator

Estimate 4×8 drywall sheets from wall area and waste.

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Stud Count Calculator

Estimate wall studs using wall length and spacing.

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Concrete Masonry Block Estimator

Estimate 8×8×16 concrete blocks from wall area.

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Roofing Square Calculator

Convert roof area to roofing squares including waste.

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Fence Post Calculator

Estimate fence posts from total run and spacing.

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Tile Box Calculator

Estimate tile boxes needed from area, waste, and box coverage.

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Paver Count Calculator

Estimate rectangular pavers needed for an area.

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Insulation Batt Calculator

Estimate insulation batts from wall area and batt coverage.

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Deck Board Row Calculator

Estimate deck boards by deck width, board width, and gap.

New in Version 6.3