Construction
Construction Calculators
Construction calculators for concrete, paint, lumber, tile, dimensions, and material estimating.
Available now
73 published calculators
Construction
Concrete & Masonry
Brick Quantity Calculator
Estimate brick quantity from net wall area, brick face dimensions, mortar joint size, and allowance.
Open calculator →Brick Wall Calculator
Estimate brick count and approximate mortar volume for a single-wythe brick wall from dimensions, openings, brick size, joint size, and allowance.
Open calculator →Cinder Block Calculator
Estimate the number of concrete masonry blocks needed for a wall from wall dimensions, openings, block face size, and allowance.
Open calculator →Concrete Bags Calculator
Estimate the number of premixed concrete bags needed from required volume, bag yield, and an optional extra allowance.
Open calculator →Concrete Block Wall Calculator
Estimate concrete masonry unit quantity for a wall from wall area, openings, nominal block face size, and allowance.
Open calculator →Concrete Calculator
Calculate concrete volume for rectangular slabs, footings, walls, and round columns in cubic yards, cubic meters, and cubic feet.
Open calculator →Concrete Cost Calculator
Estimate concrete material cost from a known cubic-yard quantity, unit price, and optional delivery or fixed fees.
Open calculator →Concrete Waste Allowance Calculator
Add a percentage allowance to a base concrete quantity and show the additional volume to order.
Open calculator →Grout Calculator
Estimate masonry grout fill volume from the number of grouted cells, approximate cell dimensions, wall height, and allowance.
Open calculator →Masonry Sand Calculator
Estimate masonry sand volume from finished mortar volume, a dry-volume factor, sand share of the mix, and allowance.
Open calculator →Mortar Calculator
Estimate mortar bag quantity from masonry wall area, manufacturer coverage per bag, and an allowance for waste.
Open calculator →Paver Base Calculator
Estimate compacted paver-base material volume and optional tonnage from area, compacted depth, and material density.
Open calculator →Ready-Mix Concrete Calculator
Estimate ready-mix concrete volume and material cost for a rectangular pour from dimensions, allowance, and price per cubic yard.
Open calculator →Rebar Length Calculator
Calculate total reinforcing-bar length from the number of bars and length of each bar.
Open calculator →Rebar Weight Calculator
Estimate reinforcing-steel weight from bar diameter, total length, and steel density.
Open calculator →Construction
Finishes & Coverage
Paint Calculator
Estimate paint gallons from paintable area, coverage per gallon, and number of coats.
Open calculator →Paint Coverage Calculator
Estimate paint gallons from surface area, number of coats, product coverage, and allowance.
Open calculator →Primer Calculator
Estimate primer gallons from surface area, coats, product coverage, and allowance.
Open calculator →Construction
Flooring & Tile
Baseboard Length Calculator
Estimate baseboard length from room dimensions, excluded openings, and a waste allowance.
Open calculator →Carpet Calculator
Estimate carpet area in square yards from room dimensions and a waste allowance.
Open calculator →Carpet Roll Calculator
Estimate linear carpet length from required floor area, roll width, and waste allowance.
Open calculator →Floor Waste Calculator
Calculate extra flooring material and total required area from a floor area and waste allowance.
Open calculator →Flooring Area Calculator
Calculate net floor area and recommended purchase area after subtracting exclusions and adding waste.
Open calculator →Flooring Boxes Calculator
Estimate the number of flooring boxes to purchase from floor area, waste allowance, and coverage per box.
Open calculator →Flooring Cost Calculator
Estimate flooring material and labor cost from area, waste allowance, and unit costs.
Open calculator →Hardwood Flooring Calculator
Estimate hardwood flooring boxes from floor area, waste allowance, and coverage per box.
Open calculator →Laminate Flooring Calculator
Estimate laminate flooring boxes from floor area, waste allowance, and coverage per box.
Open calculator →Tile Adhesive Calculator
Estimate tile adhesive bags from installation area, manufacturer coverage, and allowance.
Open calculator →Tile Calculator
Estimate the number of tiles needed for a rectangular area, including an optional waste percentage.
Open calculator →Tile Grout Calculator
Estimate grout bags from tiled area, manufacturer coverage per bag, and an allowance.
Open calculator →Tile Layout Calculator
Estimate tile rows, columns, and total grid tiles from room dimensions and tile size.
Open calculator →Vinyl Plank Calculator
Estimate vinyl plank flooring boxes from floor area, waste allowance, and coverage per box.
Open calculator →Construction
Lumber & Framing
Blocking Count Calculator
Estimate blocking pieces needed between parallel framing members based on the number of framing members and rows of blocking.
Open calculator →Board Feet Calculator
Calculate lumber volume in board feet from thickness, width, length, and quantity.
Open calculator →Ceiling Joist Count Calculator
Estimate the number of ceiling joist layout positions across a run at a specified on-center spacing.
Open calculator →Floor Joist Count Calculator
Estimate the number of floor joists needed across a layout length at a specified on-center spacing.
Open calculator →Framing Waste Calculator
Add a waste allowance to a planned framing-material quantity.
Open calculator →Header Lumber Volume Calculator
Calculate board feet of dimensional lumber used in a multi-ply header.
Open calculator →Linear Feet of Lumber Calculator
Calculate total linear feet of lumber from the number of pieces and length per piece.
Open calculator →Lumber Quantity Calculator
Estimate the number of equal-length boards needed from a total required linear footage and waste allowance.
Open calculator →OSB Sheets Calculator
Estimate the number of oriented strand board (OSB) sheets needed from project area, sheet dimensions, and waste allowance.
Open calculator →Plywood Sheets Calculator
Estimate the number of plywood sheets required from project area, sheet dimensions, and waste allowance.
Open calculator →Rafter Count Calculator
Estimate individual rafters for a simple two-sided gable roof from building length and on-center spacing.
Open calculator →Stud Count Calculator
Estimate wall studs from wall length and on-center spacing, including studs at both ends.
Open calculator →Subfloor Sheet Count Calculator
Estimate full subfloor sheets needed for a rectangular floor area, including a waste allowance.
Open calculator →Timber Volume Calculator
Estimate rectangular lumber or timber volume from dimensions and quantity.
Open calculator →Wall Plate Lumber Calculator
Estimate linear feet of wall plate lumber from total wall length, plate count, and waste allowance.
Open calculator →Wall Stud Spacing Calculator
Calculate even on-center spacing when a specified number of studs spans a wall length.
Open calculator →Construction
Roofing
Downspout Count Calculator
Estimate a baseline number of downspouts from total gutter length and a chosen maximum spacing.
Open calculator →Drip Edge Calculator
Estimate the number of drip-edge pieces needed from total eave/rake length, waste, and piece length.
Open calculator →Gutter Length Calculator
Estimate gutter material length from measured eaves and a waste allowance.
Open calculator →Hip and Ridge Length Calculator
Estimate total hip-and-ridge material length with a waste allowance.
Open calculator →Metal Roofing Panels Calculator
Estimate metal roof panel count and total panel length from eave width, roof planes, panel coverage, slope length, and waste.
Open calculator →Ridge Cap Calculator
Estimate ridge-cap bundles from total ridge and hip length, waste allowance, and bundle coverage.
Open calculator →Roof Area Calculator
Estimate simple gable-roof surface area from building plan dimensions and roof pitch.
Open calculator →Roof Pitch Calculator
Calculate roof pitch in rise-per-12 form, along with slope percentage and angle.
Open calculator →Roof Sheathing Calculator
Estimate roof sheathing sheets from roof area, waste allowance, and sheet coverage.
Open calculator →Roof Slope Percentage Calculator
Calculate roof slope as a percentage from rise and run.
Open calculator →Roof Waste Calculator
Calculate roofing material waste allowance and adjusted material area.
Open calculator →Roofing Squares Calculator
Convert roof surface area into roofing squares, where one square covers 100 square feet.
Open calculator →Shingle Bundles Calculator
Estimate the number of roofing shingle bundles required from roof area, waste allowance, and bundles per roofing square.
Open calculator →Underlayment Calculator
Estimate roofing underlayment rolls from roof area, waste allowance, and roll coverage.
Open calculator →Construction
Walls & Drywall
Acoustic Panel Count Calculator
Estimate acoustic panels from a target treatment area, panel face dimensions, and allowance.
Open calculator →Ceiling Area Calculator
Calculate rectangular ceiling area from room length and width.
Open calculator →Drywall Cost Calculator
Estimate drywall sheet material cost from area, sheet size, waste allowance, and price per sheet.
Open calculator →Drywall Screws Calculator
Estimate drywall screws from sheet count, screws per sheet, and an allowance for waste or extras.
Open calculator →Drywall Sheets Calculator
Estimate the number of drywall sheets needed from surface area, sheet dimensions, and waste allowance.
Open calculator →Drywall Square Footage Calculator
Calculate drywall surface area from total wall length, wall height, and number of covered sides or layers.
Open calculator →Drywall Tape Calculator
Estimate drywall tape rolls from wallboard area, a project tape-rate assumption, roll length, and allowance.
Open calculator →Joint Compound Calculator
Estimate containers of joint compound from drywall area, stated product coverage, and allowance.
Open calculator →Wall Area Calculator
Calculate net wall area from total wall length, wall height, and openings.
Open calculator →Wall Panel Count Calculator
Estimate wall panels from net wall area, panel dimensions, and a waste allowance.
Open calculator →Wallboard Waste Calculator
Estimate extra wallboard area to budget from a specified waste allowance.
Open calculator →Explore