THE TOOLBOX
Every project starts
with a measurement.
Choose a material, enter your dimensions and plan your purchase.
Find the right tool
Concrete slab calculator
Estimate slab volume, ready-mix quantity and material cost with an adjustable waste allowance.
ConcreteConcrete bags calculator
Turn a known concrete volume into whole bags using the yield printed on your chosen mix.
ConcreteConcrete footings calculator
Calculate the pour volume of rectangular strip footings from total run, width and depth.
ConcretePost-hole concrete calculator
Estimate concrete around round posts in round holes, including post displacement and bag count.
Flooring & tileFlooring & boxes calculator
Calculate floor area, waste, full boxes, spare coverage and the cost of the boxes you actually buy.
Flooring & tileTile & boxes calculator
Estimate tiles and full boxes for a floor or wall, with custom tile dimensions and cutting allowance.
Flooring & tileGrout bags calculator
Convert your grout manufacturer’s coverage figure into whole bags and an optional material budget.
Walls & finishesPaint & cans calculator
Estimate wall paint from room dimensions, openings, coats and label coverage, then round to whole cans.
Walls & finishesDrywall sheets calculator
Estimate wall and optional ceiling sheets with custom panel coverage and whole-sheet cost.
Walls & finishesWallpaper rolls calculator
Estimate rolls from full-height drops, trimming allowance and a straight-match pattern repeat.
LandscapingGravel calculator
Estimate loose gravel volume, weight and supplier cost using an adjustable material density.
LandscapingMulch calculator
Calculate mulch volume and whole bags for a bed at your chosen depth.
LandscapingSoil & raised beds calculator
Estimate fill for a rectangular bed in litres, cubic yards and bags, with a settlement allowance.
LandscapingSod & turf rolls calculator
Calculate turf coverage, full rolls and material cost with an allowance for cuts around borders.
LandscapingPatio pavers calculator
Estimate rectangular pavers, full packs and paving cost from patio and paver dimensions.
RoofingRoof area calculator
Convert a horizontal roof footprint into pitched surface area and roofing squares.
RoofingRoof pitch calculator
Find pitch ratio, angle, slope and geometric rafter length from a measured rise and horizontal run.
RoofingShingle bundles calculator
Turn measured roof surface area into full shingle bundles using the product’s actual coverage.
General constructionSquare footage calculator
Add two rectangular areas, subtract an opening and convert between square feet and square metres.
General constructionBoard feet calculator
Calculate lumber volume in board feet and cubic metres, with quantity and price per board foot.
No tools match this search. Try “paint”, “soil” or “boxes”.