🏗️ Groundworks & Foundations

14 calculators

Concrete, foundations, drainage, excavation and subbase calculators.

Calculate concrete needed for slabs, foundations and pads in m³ and bags.

Strip and trench fill foundations — concrete, rebar, formwork and excavation.

Beams, blocks, insulation and grouting for suspended ground floors.

Pipes, fittings, chambers and inspection points for below-ground drainage.

DPM, insulation boards and blinding sand for ground floor construction.

Pile count, depth and cap design estimates for driven and bored piles.

Block or concrete retaining walls with drainage and reinforcement.

Cut and fill volumes, spoil removal quantities and lorry loads.

BRE365 soakaway sizing, crate volume and drainage area.

Type 1 and MOT subbase depth, compaction factors and tonnage.

Pipe runs, gravel surround and outfall sizing for land drainage.

Slabs, sand, cement and cutting waste for patio and path paving.

Linear metres, haunching concrete and bed mortar for kerbs.

Gradient, fall per metre and invert levels for drainage runs.

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