Construction calculator
Material Cutting Optimiser
Optimise cutting patterns for steel, timber, pipes and other standard-length materials. Reduce waste and generate cutting lists.
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Construction tools
Practical calculators for site teams - cut lists, material planning and more. Free to use. No registration required.
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Construction calculator
Concrete Volume Calculator
Calculate concrete volume for slabs, foundations, trenches, footings and circular columns. Include wastage, truck loads and optional cost.
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Groundworks calculator
Excavation and Spoil Removal Calculator
Calculate excavation volume, loose spoil after bulking, skip or tipper loads, journeys and estimated disposal cost.
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Drainage calculator
Pipe Gradient and Fall Calculator
Calculate pipe fall, ending invert level, 1:N gradient and fall per metre, or work backwards from two invert levels.
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Sub-base calculator
Aggregate and MOT Type 1 Calculator
Calculate MOT Type 1 and aggregate quantity for driveways, roads, car parks, footpaths and platforms, volume, tonnes and cost.
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Steel calculator
Rebar Weight Calculator
Calculate reinforcing bar and mesh weight from diameter, length and sheet size, including kg/m, total tonnes and estimated cost.
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Productivity calculator
Construction Cost and Labour Calculator
Calculate total labour hours, labour cost, cost per unit and productivity for general labour, bricklaying, excavation and concrete.
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Educational calculator
Scaffold Load Calculator
Educational tool to explore scaffold platform area, load per m² and total imposed load. Not a substitute for scaffold design.
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Roofing calculator
Roof Pitch Calculator
Calculate roof pitch in degrees, pitch ratio, rafter length and slope percentage from rise, run or span.
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Programme calculator
Working Days and Construction Programme Calculator
Calculate construction programme finish dates and working-day counts from start date, week pattern, bank holidays and exclusions.
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