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Area & volume
Volume calculator
Add or subtract solid volumes and convert cubic metres, feet, yards and litres.
Open calculatorHome improvement
Measure once.
Plan with confidence.
Work out measurements and materials for your next project. Check product data and your actual layout before ordering.
Area & volume
02
Area & volume
Area calculator
Combine rectangles, circles, triangles and deductions in metric or US area units.
Open calculatorTiles & flooring
01
Tiles & flooring
Tile calculator
Turn surface measurements into tiles, whole boxes and a purchase cost.
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Tiles & flooring
Grout calculator
Estimate grout from product coverage or joint geometry, rounded to whole packs.
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Tiles & flooring
Flooring calculator
Plan laminate or vinyl packs from floor areas, allowances and installation costs.
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Tiles & flooring
Self-leveling compound calculator
Estimate leveling compound for different areas and depths using product data.
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Tiles & flooring
Tile adhesive calculator
Plan adhesive or thinset bags using product consumption or coverage figures.
Open calculatorWalls & decorating
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Walls & wallpaper
Wallpaper calculator
Plan full-height strips, pattern allowances and whole rolls.
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Paint & decorating
Paint calculator
Estimate paint for your walls, openings, ceiling and number of coats.
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Walls & decorating
Drywall calculator
Estimate wall and ceiling sheets, openings, layers and whole-sheet costs.
Open calculatorConcrete & foundations
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Concrete & foundations
Concrete calculator
Plan slabs, footings and columns, with ready-mix orders or whole bags.
Open calculatorGroundwork & outdoors
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Groundwork & outdoors
Gravel calculator
Estimate loose or compacted gravel volume, mass, bags and material cost.
Open calculatorTimber & woodwork
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Timber & woodwork
Board foot & lumber calculator
Calculate board feet, volume, whole-piece allowances and lumber costs.
Open calculatorNew to a project? Our measuring and buying guides explain the details behind each estimate.