Exterior

• Paving CalculatorEstimate pavers (with cut waste), pallets, bedding sand and compacted sub-base gravel (compacted and loose order volumes), and edge restraint for a patio, path, or driveway of any shape.
• Fence CalculatorEstimate fence posts (end, corner, gate and line posts), rails, boards or ready panels, and post-hole concrete for one or more fence runs with gates.
• Retaining Block Wall CalculatorEstimate blocks, capping units, drainage gravel, perforated drain pipe and geotextile for a low segmental block retaining wall. Quantities only — no structural design.
• Bulk Material Mass CalculatorConvert between tonnes and cubic metres for sand, gravel, crushed stone or topsoil, and count truck loads.
• Asphalt CalculatorEstimate hot-mix asphalt tonnage and truck loads for paving a rectangular area.
• Lawn CalculatorEstimate grass seed or turf rolls, topsoil volume, and optional fertiliser for a rectangular lawn area.
• Chain-Link Fence CalculatorEstimate mesh rolls, posts, tension wire, fixings, and post-hole concrete for a straight chain-link fence run.
• Gabion CalculatorEstimate basket count, stone fill volume and mass, and geotextile for a gabion (wire basket) retaining wall.
• Profiled Sheet Fence CalculatorEstimate profiled sheets by effective coverage width, posts, rails, and screws for a straight fence run.
• Kerbs CalculatorEstimate kerb unit count and the concrete bed and haunch volume for a kerb line.