Home & DIY
calculators.
Estimate materials, areas and project quantities. Every tool gives an instant answer and shows the formula or assumptions behind it.
Concrete Calculator
Estimate concrete volume and premix bag quantity for a rectangular pour.
Calculate →Home & DIYConcrete Slab Calculator
Estimate cubic metres of concrete for a slab with waste allowance.
Calculate →Home & DIYSquare Footage Calculator
Calculate rectangular area in square feet and square metres.
Calculate →Home & DIYPaint Calculator
Estimate litres of wall paint based on room dimensions, openings, coats and coverage.
Calculate →Home & DIYGravel Calculator
Estimate gravel volume and approximate weight for paths and landscaping.
Calculate →Home & DIYMulch Calculator
Work out cubic metres and litres of mulch for beds and borders.
Calculate →Home & DIYRoof Pitch Calculator
Calculate roof angle, rise-in-12 pitch and slope percentage.
Calculate →Home & DIYDeck Board Calculator
Estimate deck board quantity from deck size, board dimensions, spacing and waste.
Calculate →Home & DIYCubic Yard Calculator
Convert rectangular dimensions in feet to cubic yards and cubic metres.
Calculate →Home & DIYStair Calculator
Estimate riser count, actual rise and approximate horizontal run.
Calculate →Home & DIYBoard Foot Calculator
Calculate board feet for timber and lumber.
Calculate →Home & DIYTile Calculator
Estimate tile quantity from surface size, tile size and waste.
Calculate →Home & DIYFlooring Calculator
Calculate floor area and order quantity with waste allowance.
Calculate →Home & DIYWallpaper Roll Calculator
Estimate wallpaper rolls from room dimensions and roll coverage.
Calculate →Home & DIYFence Panel Calculator
Estimate fence panels and posts for a straight run.
Calculate →Home & DIYBrick Calculator
Estimate bricks for a wall after openings and waste.
Calculate →Home & DIYDrywall Sheet Calculator
Estimate plasterboard/drywall sheets from wall area and sheet size.
Calculate →Home & DIYInsulation Area Calculator
Estimate insulation area and pack count using pack coverage.
Calculate →Home & DIYRoofing Shingle Calculator
Estimate roof covering area, squares and pack count.
Calculate →Home & DIYTopsoil Calculator
Estimate topsoil volume in cubic metres and litres.
Calculate →Home & DIYSand Calculator
Estimate sand volume and approximate tonnes from bulk density.
Calculate →Home & DIYPaver Calculator
Estimate paving units from area, paver dimensions and waste.
Calculate →Home & DIYRoom Area Calculator
Calculate room floor area in square metres and square feet.
Calculate →Home & DIYRectangular Volume Calculator
Calculate volume from length, width and height.
Calculate →Home & DIYCircle Area Calculator
Calculate circle area and circumference from radius or diameter.
Calculate →