Landscaping & Groundwork Calculators
Plan your outdoor project with our free landscaping and groundwork calculators. Work out tonnage and volume for gravel, aggregate, MOT Type 1, crushed stone and hardcore, plus materials for driveways, patios, paving, retaining walls and turf.
Each tool uses realistic material densities and supports both metric and imperial units, so you can order the right amount of material for paths, driveways and garden projects of any size.
Landscaping Calculators(24)
Gravel Calculator
Calculate the volume and weight of gravel needed for driveways, paths, and landscaping.
Aggregate Calculator
Calculate the tonnage and volume of any aggregate – gravel, sand, ballast, MOT or crushed stone.
MOT Type 1 Calculator
Calculate how much MOT Type 1 sub-base aggregate you need in tonnes and cubic metres.
Crushed Stone Calculator
Calculate the volume and weight of crushed stone needed for driveways, paths and drainage.
Hardcore Calculator
Calculate how much hardcore fill you need in tonnes and cubic metres for foundations and sub-bases.
Cubic Yards to Tons Calculator
Convert a volume of material into weight in tons and tonnes using common material densities.
Sand Calculator
Calculate the volume and weight of sand needed for levelling, filling, and construction.
Paver Calculator
Calculate how many pavers and how much sand and gravel you need for patios, walkways and driveways.
Paving Slab Calculator
Calculate how many patio paving slabs you need, plus sub-base and bedding, for standard UK slab sizes.
Driveway Calculator
Calculate materials for a new driveway including sub-base, base, and surface course.
Asphalt Calculator
Calculate the tonnage of asphalt needed for driveways, roads and parking areas.
Retaining Wall Calculator
Calculate blocks, backfill gravel, and drainage materials for a retaining wall.
Excavation Calculator
Calculate the volume of soil to excavate and the number of skip loads or truck loads needed.
Topsoil Calculator
Calculate the volume of topsoil needed for raised beds, lawns, and garden projects.
Mulch Calculator
Calculate the volume of mulch needed for garden beds, paths, and landscaping areas.
Sod / Turf Calculator
Calculate how many rolls or pallets of sod/turf you need for your lawn.
Grass Seed Calculator
Work out how much grass seed you need for a new lawn or overseeding based on lawn area and sowing rate.
Xeriscape Calculator
Estimate the number of drought-tolerant plants, mulch volume and total cost for a water-saving xeriscape landscape.
Landscape Edging Calculator
Estimate the total edging length, number of pieces and cost for a garden border, path or flower bed in metric or imperial units.
Polymeric Sand Calculator
Estimate the number of bags of polymeric jointing sand needed to fill the joints of a paver or patio installation.
River Rock Calculator
Work out how much decorative river rock or stone you need by volume and weight for a given area and depth.
Slope & Grade Calculator
Convert between slope as a percentage, angle in degrees, ratio and rise over run for drainage, ramps and ground works.
Artificial Grass Calculator
Work out how much artificial grass, weed membrane, sand infill and jointing tape you need for a garden.
Skip Size Calculator
Estimate your volume of waste and get the recommended UK skip size, from a mini skip to a maxi.