Square Footage Calculator
Calculate floor, wall, room, and project area from common shapes and dimensions.
Open calculator βAll home project calculators.
Search the complete Build Project Lab library by calculator name, project type, or category. Each tool is designed to turn real measurements into practical planning quantities.
Cubic Feet Calculator
Calculate volume in cubic feet for boxes, rooms, beds, pours, and other projects.
Open calculator βCubic Yards Calculator
Calculate cubic yards from project dimensions and convert the result to cubic feet.
Open calculator βLinear Feet Calculator
Calculate total linear footage and estimate how many stock pieces you need.
Open calculator βBoard Foot Calculator
Calculate lumber board feet from thickness, width, length, quantity, and waste.
Open calculator βConcrete Slab Calculator
Estimate concrete volume, cubic yards, and bag equivalents for slabs and pads.
Open calculator βConcrete Footing Calculator
Estimate concrete for continuous footings or repeated pad footings.
Open calculator βConcrete Post Hole Calculator
Estimate concrete volume and bag count for fence, deck, and sign post holes.
Open calculator βConcrete Curb & Gutter Calculator
Estimate concrete for a simple curb and gutter section.
Open calculator βConcrete Bag Calculator
Convert a concrete volume into the number of bags needed using an editable product yield.
Open calculator βRebar Calculator
Estimate rebar lengths and stock bars from slab dimensions and spacing.
Open calculator βRebar Weight Calculator
Estimate rebar weight from bar length, quantity, and an editable unit weight.
Open calculator βConcrete Block Calculator
Estimate concrete masonry units for a wall, including openings and waste.
Open calculator βCMU Wall Calculator
Estimate CMU quantity and wall area from length, height, openings, and joint size.
Open calculator βMasonry Wall Calculator
Estimate masonry units for a brick or block wall with joints, openings, and waste.
Open calculator βRoofing Calculator
Estimate roof area, roofing squares, shingle bundles, and waste from footprint and pitch.
Open calculator βRoof Pitch Calculator
Calculate roof pitch, slope percentage, and roof angle from rise and run.
Open calculator βRoof Area Calculator
Calculate true roof surface area from footprint dimensions and roof pitch.
Open calculator βShingle Calculator
Estimate roofing squares and shingle bundles from roof area and waste.
Open calculator βRoofing Underlayment Calculator
Estimate roofing underlayment rolls from roof area, overlap, and waste.
Open calculator βDrywall Calculator
Estimate drywall sheets, joint compound, tape, and screws for walls and ceilings.
Open calculator βDrywall Mud Calculator
Estimate drywall joint compound quantity from surface area and coverage.
Open calculator βDrywall Tape Calculator
Estimate drywall tape rolls from seam length, corners, and roll length.
Open calculator βFraming Calculator
Estimate wall studs and plates from wall length, height, openings, spacing, and waste.
Open calculator βStud Calculator
Estimate wall stud count and stock pieces from length and spacing.
Open calculator βStair Calculator
Estimate stair riser count, riser height, treads, and total run from total rise.
Open calculator βStair Stringer Calculator
Estimate stair stringer layout dimensions from total rise, riser count, and tread depth.
Open calculator βRafter Calculator
Calculate rafter length from horizontal run, roof pitch, and overhang.
Open calculator βDeck Board Calculator
Estimate decking boards from deck dimensions, board width, gap, stock length, and waste.
Open calculator βJoist Calculator
Estimate joist count and stock length from span, width, spacing, and waste.
Open calculator βFence Post Calculator
Estimate fence posts, hole volume, and concrete bags from fence length and spacing.
Open calculator βFence Picket Calculator
Estimate fence picket count from fence length, picket width, gap, and waste.
Open calculator βGutter Calculator
Estimate gutter and downspout planning quantities from roof catchment and run lengths.
Open calculator βDownspout Calculator
Estimate downspout count from roof catchment area and a planning drainage capacity.
Open calculator βGrass Seed Calculator
Estimate grass seed quantity for new lawns or overseeding using an editable seeding rate.
Open calculator βTile Grout Calculator
Estimate grout quantity from tile area, tile size, joint width, joint depth, and waste.
Open calculator βThinset Calculator
Estimate thinset quantity from tile area and an editable product coverage rate.
Open calculator βFlooring Waste Calculator
Calculate flooring purchase area and box count after a pattern-specific waste allowance.
Open calculator βCarpet Calculator
Estimate carpet area, roll footage, and waste from room dimensions and roll width.
Open calculator βBaseboard Calculator
Estimate baseboard linear footage and stock pieces after door deductions and waste.
Open calculator βInsulation Calculator
Estimate insulation area and package count using product coverage and a planning allowance.
Open calculator βAttic Insulation Calculator
Estimate attic insulation coverage and packages from area, R-value target, and product coverage.
Open calculator βWallpaper Calculator
Estimate wallpaper rolls from wall dimensions, openings, roll size, pattern repeat, and waste.
Open calculator βCeiling Paint Calculator
Estimate ceiling paint gallons from area, coats, coverage, and waste.
Open calculator βTrim Paint Calculator
Estimate trim paint from baseboard and casing footage, trim width, coats, and coverage.
Open calculator βAsphalt Calculator
Estimate asphalt tons from area, thickness, density, waste, and optional price.
Open calculator βAsphalt Tonnage Calculator
Convert asphalt area and thickness into estimated tons and truckloads.
Open calculator βExcavation Calculator
Estimate excavation volume and truckloads from cut dimensions and a swell allowance.
Open calculator βDirt & Fill Calculator
Estimate fill or soil volume, purchase quantity, and waste/settlement allowance.
Open calculator βGravel Driveway Depth Calculator
Estimate gravel driveway material by layer, including ordering allowance and tons.
Open calculator βPaver Calculator
Calculate pavers, base and bedding sand.
Open calculator βGravel Calculator
Calculate gravel volume, weight and bags.
Open calculator βMulch Calculator
Estimate mulch yards and bag quantities.
Open calculator βTopsoil Calculator
Estimate topsoil volume and bags.
Open calculator βSand Calculator
Calculate sand volume, weight and bags.
Open calculator βSod Calculator
Calculate sod square footage and rolls.
Open calculator βGarden Bed Soil Calculator
Calculate soil for raised or garden beds.
Open calculator βConcrete Calculator
Estimate concrete volume and bag equivalents.
Open calculator βFence Calculator
Estimate panels and posts for a fence.
Open calculator βDecking Calculator
Estimate decking boards for a deck.
Open calculator βRetaining Wall Calculator
Estimate blocks, base gravel and backfill.
Open calculator βBrick Calculator
Estimate bricks for a wall.
Open calculator βMortar Calculator
Estimate mortar volume and bag equivalents.
Open calculator βTile Calculator
Calculate tile pieces and boxes.
Open calculator βFlooring Calculator
Estimate flooring boxes and coverage.
Open calculator βPaint Calculator
Estimate paintable area and gallons.
Open calculator βPatio Cost Calculator
Plan a patio material and labor budget.
Open calculator βDriveway Cost Calculator
Plan driveway material and labor costs.
Open calculator βGravel Driveway Calculator
Estimate gravel tons and material cost.
Open calculator βLandscaping Cost Calculator
Build a simple landscaping estimate.
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