Flooring Calculators
Screed, tiles, laminate, carpet and all flooring material calculators.
Screed Calculator
Calculate screed volume and sand/cement quantities for floor screeding.
Self-Levelling Compound Calculator
Work out how many bags of self-levelling compound you need.
Floor Tile Calculator
Calculate tiles, adhesive and grout needed for floor tiling.
Laminate Flooring Calculator
Work out how many packs of laminate or engineered flooring you need.
Carpet Calculator
Calculate carpet area, underlay and gripper rod quantities.
Underfloor Heating Coverage Calculator
Calculate UFH mat or cable coverage for your floor area.
Floor Joist Calculator
Size floor joists and calculate spacing based on span and load.
Vinyl Flooring Calculator
Calculate vinyl flooring quantities including wastage allowance.
Floor Levelling Calculator
Estimate compound needed to level an uneven floor.
Skirting Board Calculator
Calculate skirting board lengths and mitre cuts needed for any room.
Floor Prep Calculator
Calculate self-levelling compound, primer and drying time for floor preparation.
Stair Carpet Calculator
Calculate carpet length, area and gripper rods for staircases.
Acoustic Flooring Calculator
Calculate acoustic underlay, adhesive and decoupling mat quantities for sound-rated flooring.
Engineered Wood Flooring Calculator
Calculate engineered wood boards, underlay, expansion gap perimeter and transitions per doorway.
Parquet/Herringbone Calculator
Calculate parquet and herringbone block count with 15% pattern waste and adhesive.
Floor Sanding Calculator
Calculate sanding belts by grit sequence, lacquer coats and gap filler for floor sanding.
Epoxy Resin Floor Calculator
Calculate epoxy resin floor coatings including primer, base coat, aggregate and seal coat.
LVT Flooring Calculator
Calculate LVT tiles or planks, adhesive type and perimeter trim.
Anhydrite Screed Calculator
Calculate anhydrite flow screed volume with pump delivery rate and drying time estimates.
Floor DPM Calculator
Calculate floor DPM roll coverage with lap allowance and tape per joint.
Raised Access Floor Calculator
Calculate raised access floor pedestals, panels and edge trim from grid spacing.
Floor Beam and Block Calculator
Calculate beam and block floor quantities with structural topping and propping centres.
Mezzanine Floor Calculator
Calculate mezzanine floor joists, hangers, deck boards and balustrade from span.
Floor Joist Notching Calculator
Check permitted notch and hole zones in floor joists per Building Regulations.
Threshold and Transition Calculator
Calculate threshold strips and transition profiles by height difference per doorway.
Heated Screed Commissioning Calculator
Calculate heated screed drying time and temperature ramp schedule before flooring.
Solid Wood Floor Calculator
Calculate solid wood T&G boards, secret nails, adhesive and acclimatisation time by species.
Floor Load Capacity Calculator
Calculate safe floor load capacity from joist size and spacing for planned use.
28 free calculators in Flooring
Flooring Materials and Standards in the UK
Flooring work in UK construction spans from structural floor joist installation to decorative finishes like laminate, tiles, and carpet. Getting the subfloor preparation right is critical to the longevity of any finish, and our calculators cover every stage from screeding and levelling through to final floor covering quantities.
Sand and cement screed remains the most common method for levelling concrete floors in UK properties. A typical mix ratio is 1:3 to 1:4.5 (cement to sharp sand by volume), applied at a minimum depth of 25mm bonded or 65mm unbonded. Our screed calculator works out the exact quantities of cement and sand needed based on your floor area and depth. For smaller areas or where a very flat finish is required, self-levelling compound (from brands like Ardex, Mapei, or Setcrete) is used instead, typically applied at 2–10mm depth.
Floor tiles in the UK are available in a vast range of sizes, from 300mm × 300mm up to large format 600mm × 600mm and 600mm × 1200mm porcelain tiles. Our floor tile calculator accounts for tile size, grout joint width, and a configurable wastage allowance (typically 10% for standard layouts, 15% for diagonal patterns). Tile adhesive coverage varies by trowel notch size and substrate, with flexible rapid-set adhesives (such as BAL Rapid Flex or Weber Set SPF) being popular choices for UK floor tiling.
Laminate and engineered wood flooring are sold in packs covering a stated area (typically 1.5–2.5 m² per pack). Popular UK brands include Quick-Step, Kahrs, Amtico, and Karndean. When calculating quantities, always add a wastage allowance: 10% for straight laying patterns and 15% for herringbone or diagonal patterns. Our laminate flooring calculator rounds up to complete packs, since partial packs cannot be purchased.
UK Building Regulations affect flooring in several ways. Approved Document E sets acoustic performance standards for floors in flats and conversions, requiring impact and airborne sound insulation. Approved Document L governs the thermal performance of ground floors, typically requiring a U-value of 0.25 W/m²K or better for new-build ground floors. Approved Document M covers level thresholds for accessibility. Floor joist sizing must comply with structural requirements, with span tables available in Approved Document A and timber manufacturers' design guides.