Free tools
Building and decorating calculators
Estimate concrete, paint and flooring from your measurements and product details.
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Search this category by task or name, such as Concrete volume and bags.
Concrete volume and bags
Estimate concrete for rectangular slabs or solid cylinders. Add a waste allowance, calculate cubic metres and litres, and convert volume to whole bags.
Open tool →Paint quantity and tins
Calculate paint for room walls and an optional ceiling. Deduct openings, choose coats and product coverage, and estimate litres, whole tins and spare paint.
Open tool →Flooring packs and cost
Estimate flooring area, waste allowance, whole packs and material cost. Enter your pack coverage and price to see purchase quantity and spare coverage.
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