Help
How MyBuildTool works, and what to check when an answer surprises you.
Guides for each calculator
Every calculator page explains its own method, formula and worked example.
- Paint Calculator — Work out how much paint you need for any room or wall.
- Concrete Calculator — Volume of concrete for a slab, footing, path or column.
- Tile Calculator — How many tiles and boxes you need for a floor or wall.
- Flooring Calculator — How many packs of flooring a room needs, with waste allowed for.
- Construction Cost Calculator — Build a project estimate from materials, labour, waste and markup.