Construction & Home Calculators

Concrete, tile, paint, roofing, lumber and material estimates.

26 calculators in this category.

Walls & partitions

Brick Calculator — Calculate bricks and mortar needed for a wall, including openings.
Paint Calculator — Calculate paint needed for walls and ceilings, allowing for doors, windows and multiple coats.
Retaining Wall Calculator — Calculate blocks, concrete footing and backfill for a retaining wall.
Wall Area Calculator — Calculate wall area, studs, plasterboard sheets and insulation.

Concrete Slab Calculator — Calculate concrete, mesh and formwork for a floor slab.
Flooring Calculator — Calculate flooring area, packs needed and cost for any room shape.
Room Area Calculator — Calculate floor, wall and ceiling areas plus room volume.

Concrete Block Calculator — Work out how many concrete blocks, how much mortar and how many bags of mix a wall needs, including waste.
Concrete Calculator — Calculate concrete volume for slabs, footings and columns, with cement, sand and aggregate quantities.
Footing Calculator — Calculate concrete for strip footings, pad foundations and pier holes.

Cement Calculator — Work out cement bags, sand and aggregate for a given volume and mix ratio.
Deck Calculator — Calculate decking boards, joists and fixings for a deck.
Driveway Calculator — Calculate materials for a driveway including sub-base and surface layers.
Excavation Calculator — Calculate excavation volume, truck loads and disposal for trenches and pits.
Fence Calculator — Calculate posts, panels, rails and concrete for a fence run.
Gravel Calculator — Calculate gravel or aggregate volume, weight and cost for a given area and depth.
Lumber Calculator — Calculate board feet, linear metres, piece counts and cost for timber.
Mortar Calculator — Calculate mortar volume, cement and sand for brickwork or blockwork.
Plaster Calculator — Calculate plaster or render quantities for walls and ceilings.
Rebar Calculator — Calculate reinforcing bar length, count and weight for a slab grid.
Roofing Calculator — Calculate roof area from pitch and footprint, plus tiles or sheets needed.
Sand Calculator — Calculate sand volume, weight and bags for bedding, screed or fill.
Soil & Topsoil Calculator — Calculate topsoil, compost or mulch volume and weight for beds and lawns.
Stair Calculator — Calculate rise, going, stair length and check against building regulations.
Steel Weight Calculator — Calculate the weight of steel bars, plates, tubes and sections.
Tile Calculator — Calculate how many tiles, adhesive and grout you need for floors or walls.