Drainage Fall Calculator
Gradient, fall per metre and invert levels for drainage runs.
Advertisement
This calculator provides estimates based on standard UK construction practices and British Standards where applicable. Results include typical waste allowances.
Important: These calculations are for guidance only. Always verify quantities with a qualified professional before ordering materials. Site conditions, design requirements and local building regulations may affect actual quantities needed.
TradeCalc provides free estimation tools for UK construction professionals. While we strive for accuracy, all results are approximate and should be verified by a qualified professional.
TradeCalc accepts no liability for material shortages, over-ordering, or any losses arising from the use of these calculators. Always consult relevant British Standards and Building Regulations for your specific project.
Related Calculators
Concrete Volume Calculator
Calculate concrete needed for slabs, foundations and pads in m³ and bags.
Foundations Calculator
Strip and trench fill foundations — concrete, rebar, formwork and excavation.
Block & Beam Floor Calculator
Beams, blocks, insulation and grouting for suspended ground floors.
Underground Drainage Calculator
Pipes, fittings, chambers and inspection points for below-ground drainage.
Oversite & Insulation Calculator
DPM, insulation boards and blinding sand for ground floor construction.
Piling Calculator
Pile count, depth and cap design estimates for driven and bored piles.