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Construction Material Calculators

Construction calculators for building and renovation — tiles, framing, concrete, roofing and more.

Free construction calculators for every stage of a building or renovation project. Estimate materials for flooring, tiling, framing, insulation, roofing and concrete — with waste factors, cost estimates and imperial/metric support.

Flooring & tile

Tile layingTiles, grout & adhesiveParquet & laminateParquet & laminate floorsJoist floorsScreed, levelling & prepPaving stonesPaving stones & base layerWallpaperRolls & pattern repeat

Walls & framing

Stud wallStuds, plates & drywallBoards & drywallDrywall sheets & boardsBoards & claddingInterior wall claddingInsulationBatts, rolls & boardsExt. insulationExternal wall insulationPaintLitres & coats neededRender / PlasterRender, plaster & mortar

Structure & exterior

ConcreteVolume, bags & mix ratioFoundationsStrip & slab foundationsRoofRoof area & materialsBrick & block wallsBricks, blocks & mortarFacade claddingExterior facade boardsFencePosts, rails & panels

Timber & decking

Deck / PatioDecking boards & joistsTimber / LumberStuds, beams & sawn timberStairsSteps, risers & stringers

Specialty calculators

Targeted calculators for specific materials, surfaces and project types.

Tiling

Bathroom tile calculatorTiles, membrane & wet-area adhesiveShower tile calculatorEnclosure tiles, grout & C2 S2 adhesiveFloor tile calculatorAll patterns with waste factorBacksplash tile calculatorTiles, mosaic sheets & adhesiveTile adhesive calculatorBags, coverage & adhesive classGrout calculatorJoints, bags & sealant guidance

Painting

Room paint calculatorWalls, ceiling & coatsInterior paint calculatorWalls, trim & sheen guidanceExterior paint calculatorMasonry, render & timber facadesPaint coverage calculatorHow far a tin or gallon goes

Flooring

Laminate flooring calculatorPacks, underlay & wasteVinyl plank flooring calculatorLVP boxes, waste & layout

Drywall & insulation

Drywall calculatorSheets, screws & joint compoundAttic insulation calculatorRolls, depth & R-value

Concrete & foundations

Concrete bag calculatorHow many bags for the volumeConcrete slab calculatorVolume, bags & slab thicknessConcrete footing calculatorStrip & pad footings

Decking

Deck board calculatorRunning metres & board countDeck cost calculatorMaterials, labour & total budgetDeck material calculatorFull material list for a deckComposite deckingBoards, clips & accessoriesDeck footing calculatorPost holes, depth & concrete bags

Framing & timber

Lumber calculatorStuds, boards & linear feetFraming material calculatorLumber list for any framing jobStud calculatorWall studs at 16″ or 24″ OCStair stringer calculatorLength, cut angle & layout

Roofing

Shingle calculatorBundles, squares & underlaymentMetal roof calculatorSheets, battens, screws & ridgeRoof material calculatorTiles, underlay, battens & ridge

Siding & cladding

Siding calculatorBoards, coverage & fastenersVinyl siding calculatorSquares, panels & trim

Fencing

Fence post calculatorPosts, hole depth & concreteFence cost calculatorMaterial cost per metre or footFence material calculatorPosts, rails, pickets & concrete

Masonry & paving

Brick calculatorBricks, blocks & mortarPaver calculatorPavers, base layer & sand

Project budgets

Bathroom remodel costFull itemised renovation estimateKitchen renovation costFull itemised renovation estimate

Tools

Geometry, calculator and notepad — save directly to a project

Geometry CalculatorArea, perimeter & volume for any shapeCalculatorStandard calculator with historyNotepadNotes saved straight to a project

Run a website? Embed these calculators

Any calculator here works as a free widget on your own site — one iframe snippet, no account or API key. Builders and trades start here.

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