Free Construction Material Calculators
Accurate material estimates for UK builders and contractors. Get your shopping list in seconds — foundation to roof.
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Calculator Categories
Foundation Calculators
Calculate materials for concrete foundation work including anchor bolts, sill seal, and pressure treated plates.
15 calculators →
Floor Framing Calculators
Estimate all floor framing materials including rim joists, floor joists, bridging, subfloor adhesive, and OSB panels.
5 calculators →
Wall Framing Calculators
Calculate all wall framing timber including plates, studs, headers, and sheathing for any wall configuration.
6 calculators →
Roofing Calculators
Estimate all roofing materials from trusses and rafters to tiles, slates, and underlayment.
14 calculators →
Exterior Shell Calculators
Calculate breather membrane, cladding, flashing, and seam tape for your home’s exterior envelope.
6 calculators →
Insulation & Plasterboard Calculators
Estimate insulation, vapour barriers, plasterboard sheets, screws, and jointing compound for interior finish work.
4 calculators →
Hardware Calculators
Calculate framing nails, sheathing nails, joist hangers, truss clips, and other structural hardware.
6 calculators →
Finishing Calculators
Calculate paint, primer, stain, and finishing materials for interior and exterior surfaces.
4 calculators →
Outdoor Calculators
Calculate materials for decking, patios, fencing, and outdoor structures.
11 calculators →
Flooring Calculators
Calculate materials for flooring projects including hardwood, carpet, tile, and laminate with waste factors and cost estimates.
4 calculators →
Stair Calculators
Calculate stair dimensions, stringer lengths, rise over run, spiral staircases, and landings. Free stair calculators compliant with BS 585 and UK Building Regulations.
6 calculators →
Most Popular Calculators
Why Use BuildEstimatory?
Instant Results
Get your material list in seconds — no account, no signup required.
UK Building Standards
Built around standard UK construction practices: 400 mm and 600 mm centres, 1200×2400 mm sheets, and more.
Shopping-Ready Output
Results come as a clear shopping list with quantities and units you can take straight to Jewson, Travis Perkins, or Wickes.