The tool library

Choose a calculator for the job.

One high-quality calculator per practical task. Start with a measurement, see the assumptions and save a clear materials estimate.

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Walls & Masonry

Wall-faced materials and poured-volume estimates with visible deductions and waste.

01Walls & Masonry

Brick & block

Estimate bricks or blocks for a wall, with opening deductions, waste and optional pack rounding.

Open calculator →02Walls & Masonry

Concrete & screed

Estimate concrete or screed volume from a rectangular pour, with practical bag rounding.

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Decorating

Plan paint and wallpaper quantities before you start a room refresh.

03Decorating

Paint

Work out paintable wall area, litres and tins with coats, coverage and waste made explicit.

Open calculator →04Decorating

Wallpaper

Estimate wallpaper rolls from wall dimensions, roll coverage, pattern repeat and waste.

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Tiling & Surfaces

Surface-covering quantities with pack rounding and practical grout or adhesive prompts.

05Tiling & Surfaces

Tile, grout & adhesive

Estimate tile pieces, packs and optional approximate grout and adhesive for a surface area.

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Paving & Decking

Slabs and boards for straightforward patios, paths and deck footprints.

06Paving & Decking

Paving & decking

Estimate paving slabs or deck boards from project area, material size, layout waste and packs.

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Garden Materials & Beds

Loose materials, bulk bags and soil for paths, beds and planters.

07Garden Materials & Beds

Gravel & topsoil

Estimate loose-material volume, approximate weight and bag or bulk-bag quantities.

Open calculator →08Garden Materials & Beds

Raised-bed soil

Estimate soil volume and bags for a simple rectangular raised bed.

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Measurement Tools

Reusable room and wall measurements to carry into other Calculator.Shop tools.

09Measurement Tools

Room & wall area

Calculate basic room floor area, wall area and perimeter, then reuse the measurement in related tools.

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