Construction & Home calculators

Estimate materials for landscaping, flooring, concrete and painting projects.

Building Materials

Concrete and other materials measured by volume for a build.

Concrete Slab CalculatorConcrete volume for a slab or pad in cubic yards or cubic metres, plus the number of premixed bags.Open Concrete Volume CalculatorConcrete for footings, walls, round columns, hollow tubes and solid stairs, in cubic yards or cubic metres, plus bags.Open

Flooring & Tiles

Tiles, boxes and flooring for floors and walls.

Tile CalculatorHow many tiles and boxes you need for a floor or wall, including grout joints and extra for cuts.Open Flooring CalculatorFloor area for one or more rooms with extra for waste, the boxes of flooring to buy and the total cost.Open

Painting

Paint for walls and ceilings, from area to cans.

Paint CalculatorWall area and the gallons or litres of paint for a room, minus doors and windows.Open

Landscaping & Garden

Gravel, mulch and driveways for gardens and outdoor spaces.

Gravel CalculatorWork out how much gravel you need in cubic yards or cubic metres, with an optional weight estimate.Open Mulch CalculatorHow much mulch your beds need in cubic yards or cubic metres, and how many bags to buy.Open Gravel Driveway CalculatorGravel for a driveway built in layers, with the volume and optional weight of each layer.Open

Home Improvement

Materials for indoor renovation projects such as drywall.

Drywall CalculatorHow many drywall sheets you need for a room or a run of walls, minus doors and windows, with the ceiling if you like.Open

Roofing & Exterior

Roof area and materials for the outside of a building.

Roofing CalculatorRoof area from the footprint and pitch, in square feet, square metres and roofing squares, plus shingle bundles.Open