Estimates for planning and ordering. Every assumption can be changed.
Work out what to order
Quick, free calculators for building, garden and decorating jobs, in metric and UK sizes.
ConcreteCubic metres and bags for slabs and bases
Gravel and topsoilTonnes and bulk bags
DeckingBoards, joists and screws
WallpaperRolls, allowing for pattern repeat
PaintLitres and tins for a room
TilesTiles and boxes with waste
BricksBricks per square metre
Guides
How to plan a concrete shed baseSize, depth and what to orderGravel paths and drivewaysLayers, depths and quantitiesMeasuring a room for decoratingPaint and wallpaper without waste
These are estimates for planning and ordering. Materials, bag sizes and densities vary by product, so always check the figures on the packaging or with your supplier before you order. For structural work, follow the advice of a qualified builder or engineer.