Hardscape & Material Calculators

Surface Area
Subtract for drains, trees, service covers
Paver Specification
Sub-base Layers
Sub-base Summary
MaterialDepthVolumeWeightCost
Net Surface Area
Units (net)
pavers
Pallets Required
pallets (≈10 per pallet)
Material Cost (pavers)
$ value
Jointing Material Volume
Total Material Weight
tonnes
BS 7533-3: Bedding layer 25–50mm sharp sand (not mortar unless specified). MOT Type 1 sub-base: typically 100–200mm depending on trafficking. Pattern wastage adds to cutting waste. Order 5–10% above net requirement minimum.
Structural Element
Specification
Net Volume
Ready-mix Trucks
trucks (≈8 each)
Steel Reinforcement
kg
Formwork Area
50kg Bag Equivalent
bags (if manual mix)
Concrete Weight
tonnes
Surface Area & Depth
Edging
Net Volume
Weight
tonnes
Bulk Bags (≈0.5/bag)
bags
Tipper Loads (≈10t/load)
loads
Geotextile Area
(inc. 10% overlap)
Edging Length
m
Asphalt Specification
Total Asphalt Thickness
mm
Net Volume (loose)
Tipper Loads
loads (≈8t each)
Sub-base Volume
Sub-base Weight
tonnes
CO₂e Estimate
kg CO₂e (39 kg/t)
Edging
Expansion Joints
Edging Length to Order
m inc. waste
Sections / Lengths
nr
Corner Pieces
nr
Expansion Joints Required
nr
Total Joint Length
m
Sealant Volume
litres
Joint Cost
$ value
Wall Geometry
Block / Unit Size
Foundation
Wall Cross-Section
Wall Face Area
Mortar Volume
Foundation Concrete
Approx. Wall Weight
tonnes
Geotextile / Drainage
(recommended)
For walls >1.0m high, structural stability should be checked in the Structural & Safety Calculator. Drainage behind wall is essential to prevent hydrostatic pressure build-up.