TRADESMATE

// 95 free tools

UK Trade Calculators

Every calculator a UK tradesman needs — materials, quantities and estimating. Free, instant, and no sign-up required.

General Builders

Skip Size Estimator Calculator→Wastage Uplift Calculator→

Groundworkers & Landscapers

Concrete Volume Calculator→Aggregate Calculator→Topsoil / Turf Soil & Turf Rolls Calculator→Resin Driveway Calculator→Sleeper Retaining Wall Calculator→Block Paving Area Calculator→Paving Slabs Required Calculator→Sand & Cement (Bedding Mortar) Calculator→Mixed-Size Patio Pack (Indian Sandstone) Calculator→Fence Panels & Posts Calculator→Decking Boards, Joists & Noggins Calculator→Muck Away / Grab Lorry Calculator→

Drainage

Drainage: Patio / Surface Fall Calculator→Drainage: Pipe Gradient & Drop Calculator→Drainage: Soakaway Volume (BRE 365) Calculator→Drainage: French Drain Trench Gravel Calculator→Drainage: Rainwater Discharge & Pipe Size Calculator→

Bricklayers

Bricks Required Calculator→Concrete Blocks Required Calculator→Mortar Quantity & Mix Calculator→Wall Tie Quantity & Spacing Calculator→DPC (Damp Proof Course) Calculator→

Kitchen Fitters

Worktop Lengths Calculator→Kitchen Units Estimator Calculator→

Plumbers

Heat Loss (Boiler Sizing) Calculator→Underfloor Heating Pipe Calculator→Expansion Vessel Sizing Calculator→Pipe Sizing (by Flow) Calculator→Pipe Volume (Water Content) Calculator→Pipe Weight Calculator→Pipe Thermal Expansion Calculator→Gas Pipe Sizing (BS 6891) Calculator→Gas Rate Calculator→Gas Pressure Drop Calculator→Flow Rate (Bucket Test) Calculator→Pressure Loss (Head & Friction) Calculator→Hot Water Cylinder Sizing Calculator→Cold Water Storage Sizing Calculator→Drain Fall / Gradient Calculator→Waste Pipe Sizing Calculator→Rainwater / Gutter Sizing Calculator→Radiator BTU Sizing Calculator→Combi Boiler Sizing Calculator→Copper Pipe Quantity Calculator→

Electricians

Voltage Drop Calculator→Lighting (Lumens) Calculator→Sockets per Room (BS 7671 guidance) Calculator→Cable Size (Full BS 7671 Workflow) Calculator→Current-Carrying Capacity Calculator→Maximum Zs Values Calculator→Zs (Ze + R1+R2) Calculator→Maximum Demand (Diversity) Calculator→Ring Final Circuit Test Calculator→Conduit / Trunking Fill Calculator→Appliance Running Cost Calculator→Cable Grouping Factor (Cg) Calculator→EV Charger / Solar PV Calculator→

Plasterers

Plaster (Skim Coat) Calculator→Plasterboard Sheets Calculator→

Painters & Decorators

Paint Coverage Calculator→Wallpaper Rolls Calculator→

Carpenters

Stud Wall Timber Calculator→Floor Joists Calculator→Stair Stringer Calculator→Timber Quantity Calculator→Sheet Material Calculator→Noggins / Blocking Calculator→Cutting List Optimiser Calculator→Ceiling Joists Calculator→Insulation (Stud Walls & Floors) Calculator→

Roofers

Roof Tiles Calculator→Roofing Felt / Membrane Calculator→Roof Rafters Calculator→Roof Truss Quantity Calculator→Roof Pitch Converter Calculator→

Tilers

Tile Quantity Calculator→

Gardeners & Landscapers

Plant Spacing Calculator→Lawn Seed Calculator→Compost Calculator→Mulch / Bark Calculator→Drip Pipe Calculator→Sprinkler Coverage Calculator→Water Requirement Calculator→Lawn Treatment Calculator→Fertiliser Calculator→Spray Mix Calculator→Lawn Mowing Pricing Calculator→Garden Clearance Estimator Calculator→Green Waste Calculator→

Business Essentials

VAT Calculator→Markup ↔ Margin Converter Calculator→Day Rate Calculator→Quote Profit Check Calculator→

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