Free planning tools
How much material do you actually need?
How much concrete, brick, paint, tile or gravel do you need? Free construction material calculators, instant, metric and imperial.
Calculators
- 3D room planner and cost estimatorSet the room size, see it in 3D with your colours, and get paint, tiles and cost in one go.
- Concrete calculatorSlabs, footings, posts and columns: cubic metres or yards, plus how many bags.
- Brick and block calculatorBricks or blocks for a wall, minus doors and windows, with mortar volume.
- Paint calculatorLitres or gallons for a room or a wall, by number of coats and coverage.
- Tile calculatorTiles and boxes for a floor or wall, with grout gap and cutting waste.
- Gravel, sand and soil calculatorVolume and weight for a driveway, path or bed, in cubic metres, yards or tonnes.
Guides
All guidesBefore you order
These are planning estimates. Bag yields, brick sizes, paint coverage and material densities vary by manufacturer and region, so check the figures printed on the product you are buying and round up. For structural work follow your local building code and a qualified professional.