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Professional material quantity calculators for builders, contractors, and DIY. Enter your dimensions, get instant quantities with waste allowance, and price up with current UK market rates - no sign-up needed.
Our free building calculators cover every major trade - from brickwork and roofing to concrete, flooring, insulation, and landscaping. Each calculator includes waste allowance, optional job costing at current UK market prices, and a print or CSV export. Key calculators also include a built-in UK Building Regulations checker so you can confirm compliance with Parts A, B, C, and L as you work - and avoid costly mistakes before work begins. No sign-up required. Used by builders, contractors, quantity surveyors, and homeowners planning renovation projects across the UK.
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Brick quantities, mortar volumes, and wall tie rates for any wall size or bond pattern.
Block quantities and mortar for single-skin or cavity blockwork walls.
Sheet quantities and fixings for stud walls, dot-and-dab, and ceilings.
Timber studs, noggins, head and sole plates for any partition wall.
Render and plaster bag quantities for internal and external walls by coat.
Mortar mix volumes by ratio for brickwork, blockwork, and pointing.
Packs needed for laminate, vinyl, or engineered wood with pattern and waste options.
Tile quantities, grout, and adhesive for floors and walls with cut-piece estimate.
Block or strip parquet quantities and adhesive including herringbone layout.
Screed volume, bags, and mix ratios for floor levelling and underfloor heating beds.
Rolls of underlay for carpet, laminate, or engineered wood installations.
Concrete or clay tile quantities, battens, and fixings for pitched roofs.
Rafter lengths, pitch angle, roof area, and all structural timber quantities.
Natural or fibre cement slate quantities with lap and gauge settings.
Roofing felt or breathable membrane rolls with overlap allowance.
Joist quantities, noggins, and wall plates with Building Regs span guidance.
Guttering runs, downpipes, brackets, and fittings for roof drainage.
Lead or aluminium flashing lengths for roof junctions, abutments, and chimneys.
Feather-edge or shiplap board lengths and fixings for exterior wall cladding.
Board quantities and fixings for all standard timber cladding profiles.
Sheet quantities for render carrier board and cement board exterior systems.
Slip quantities, adhesive, and grout for feature walls and exterior facades.
Soffit board and fascia lengths for roof eaves including corner pieces.
EWI board quantities, fixings, mesh, and render coats for solid wall insulation.
Pebbledash aggregate and render volumes for exterior roughcast finishes.
Mix volumes and bag quantities for slabs, footings, columns, and pads.
Gravel or decorative stone tonnage and bulk bag count for any area and depth.
Steel reinforcement bar lengths and spacing for concrete slabs and structures.
Sharp sand, ballast, and aggregate quantities for concrete mixes by ratio.
Panels, posts, gravel boards, and concrete for garden and boundary fencing.
Slab quantities for patios or board lengths for decking areas.
Bulk bags or loose fill volume for garden beds, paths, and play areas.
Geocell or gravel grid panel quantities for permeable driveways and paths.
Sub-base depth and tonnage for SuDS-compliant permeable driveways and paved areas.
Bricks, blocks, mortar, and copings for garden boundary and retaining walls.
Tins needed for walls, ceilings, and woodwork with coats and spread rate options.
Masonry paint or timber stain quantities for outside walls and facades.
Rolls needed for any room including pattern repeat and drop matching.
Specialist coating quantities for floors, roofs, and protective applications.
Roll or board quantities for loft, wall, floor, and roof insulation.
DPM sheet area and lap quantities for concrete floors and tanking applications.
Soakaway crate volumes and drainage area for SuDS-compliant design.
Linear metres and lengths for skirting, architrave, and coving around any room.
Lining timber and architrave quantities for internal and external door frames.
Worktop lengths, joints, and cutouts with splash-back area calculation.
Risers, treads, pitch angle, and stringer length with Part K compliance check.
Panel count, system kWp, and roof area for solar photovoltaic installations.
Heat pump output sizing and heat loss estimate for your property type.
Ground loop lengths and trench requirements for GSHP installations.
Construction adhesive quantities for tiles, boards, and general bonding applications.
Cable management lengths, bends, and fittings for electrical installations.
Sheet quantities and fixings for gypsum board ceilings and partition walls.
All 50 calculators are free to use - no account required. Save to a project when you need to keep your figures.