Home project
calculators
Measure materials, estimate waste, and build a practical shopping list before you buy.
Paint Calculator
Estimate paint and primer for walls after doors, windows, coats and waste.
Concrete Calculator
Plan slab volume in cubic yards or cubic metres, plus common bag quantities.
Tile Calculator
Find tile coverage, cutting waste and the number of complete boxes to buy.
Flooring Calculator
Estimate floor area, waste and complete boxes for plank or hardwood projects.
Drywall Calculator
Estimate net wall and optional ceiling area after doors and large windows.
Mulch Calculator
Calculate landscape-bed volume and convert it to cubic yards or bag counts.
Gravel Calculator
Estimate gravel volume for paths, patios and driveways with a waste allowance.
Fence Calculator
Plan panels, posts, gates, caps, concrete and a full material cost for straight runs.
Roofing Calculator
Estimate pitched-roof area, roofing squares, shingle bundles and underlayment rolls.
Wallpaper Calculator
Estimate net wall area and complete wallpaper rolls after openings, pattern waste and roll coverage.
Decking Calculator
Estimate deck boards from platform size, actual board width, installation gap, stock length and waste.
Brick Calculator
Estimate complete bricks for a straight wall after door and window openings, unit rate and waste.
Siding Calculator
Estimate vinyl siding squares for straight exterior walls after door and window deductions.
Paver Calculator
Estimate patio pavers, compacted base and bedding sand from project and paver dimensions.
Room AC BTU Calculator
Size a room air conditioner from floor area, sunlight, regular occupants and kitchen use.
How our estimates work
Measure accurately, adjust waste and package size, then confirm the result against product instructions and local building requirements.