The tool collection
Every quantity, accounted for.
Practical calculators for building and renovation. Choose your tool, check the assumptions and turn measurements into a useful starting estimate.
Area Calculator
Calculate rectangular floor or wall area, then subtract openings and excluded sections.
Open calculatorTile Calculator
Estimate the number of rectangular tiles for a floor or wall, including a waste allowance.
Open calculatorPaint Calculator
Estimate paint from the actual surface area, number of coats and the coverage stated on your paint tin.
Open calculatorConcrete Calculator
Estimate concrete volume for a rectangular slab, with an allowance for ordering and site losses.
Open calculatorGlass Weight Calculator
Estimate the area and weight of rectangular, single-layer flat glass panels from their dimensions and thickness.
Open calculatorFlooring Calculator
Work out how many packs of laminate, vinyl or timber flooring you need from the coverage printed on the box.
Open calculatorBrick Calculator
Estimate rectangular facing bricks for one layer of a wall, allowing for mortar joints and waste.
Open calculatorMaterial Cost Calculator
Estimate material costs with your local unit price, discount, tax, labour and transport.
Open calculator