All UK Building Calculators

Work out how much concrete you need for a shed base, garage base or garden room.

Calculate MOT Type 1 in tonnes and bulk bags for patios, driveways and sub-bases.

Work out sub-base quantities for patios, driveways and garden paths.

Work out gravel in tonnes and bulk bags for driveways, paths and garden borders.

Calculate aggregate quantities by type - ballast, sharp sand, MOT Type 1 and more.

Calculate how many patio slabs you need, including wastage and pack counts.

Calculate how many bags of Postcrete you need per fence post.

Work out concrete requirements for fence posts - bags, volume or ready-mix.

Work out floor screed quantities in bags, kg and tonnes for sand:cement and anhydrite screed.

Calculate how many bags of self-levelling compound you need for any floor area and depth.

Calculate cement bags and sand for brickwork and blockwork. Adjustable mix ratios.

Work out how many bags of render you need for any wall area, with openings deducted.

Work out how many sheets of plasterboard you need for walls and ceilings.

Find the right skip size for your project - garden clearance, kitchen, bathroom or extension.

Calculate sharp sand in tonnes, kg and bags for patios, paving slabs, artificial grass and screeding.

Calculate MOT Type 1, sharp sand, grano dust, weed membrane and pins for an artificial grass base.

Calculate how many fence panels, posts, gravel boards and Postcrete bags you need for a garden fence.

Estimate the number of soakaway crates needed for patios, driveways and garden drainage projects.