Landscaping Calculators
All site-survey tools, in one place.
Patio Build-Up Calculator
PopularSlabs, sub-base, bedding, jointing, edging and excavation for any patio.
Patio & paving
Driveway Calculator
PopularSurface, sub-base and drainage-aware driveway estimator.
Driveways
MOT Type 1 Calculator
Tonnes and bulk bags of MOT, compacted vs loose.
Gravel & aggregates
Gravel Calculator
PopularTonnes, bulk bags, membrane and edging for any gravel surface.
Gravel & aggregates
Quick Aggregate Calculator
PopularSand, ballast, MOT or gravel — volume, tonnes and the cheapest way to buy it for a given area and depth.
Gravel & aggregates
Fence Calculator
PopularPosts, panels/boards, gravel boards, postcrete and fixings — multi-elevation aware.
Fencing
Decking Calculator
PopularBoards, joists, posts, screws and clips.
Decking
Artificial Grass Calculator
PopularRolls, membrane, base aggregates, tape, adhesive and pins.
Artificial grass
Drainage Calculator
French drains, channel drains, soakaway crates, land drains and patio falls.
Drainage
Skip / Muck-Away Calculator
Excavation volume, bulked volume, tonnes, skip sizes and grab loads.
Waste & excavation
Retaining Wall Calculator
Sleepers, blocks or gabions with drainage gravel and membrane.
Retaining walls
Garden Room / Shed Base Calculator
Concrete, timber, gravel grid, paving or ground screw bases.
Garden rooms
Turf & Topsoil Calculator
Turf rolls, topsoil, sharp sand, seed and fertiliser.
Turf & soil
Planter & Raised Bed Calculator
PopularStructure, fill, drainage, liner plus balcony/roof load checks.
Planters & raised beds
Patio Fall Calculator
Total fall, high and low points, puddling warnings.
Patio & paving
Surface Water Runoff Calculator
Runoff risk and SuDS-aware drainage recommendations.
Surface Water
Access Difficulty Calculator
Labour, waste and machinery adjustments for restricted sites.
Site tools
Cut Complexity Calculator
Waste and labour increase by laying pattern.
Site tools
Sloping Site Calculator
Cut/fill, retaining guidance and stepped levels.
Site tools
Site Set-up Calculator
Temporary fencing, 110V power & lighting, welfare and ground protection — quantities to order or hire, plus a tailored set-up checklist.
Site tools
Garden Design Calculator
PopularAspect-aware design checks: DPC clearance, slope/gradient verdicts, outdoor step geometry and tree-to-foundation setbacks against UK best practice.
Site tools
Planting Plan Calculator
PopularSite-matched planting palette: filters a curated UK plant database by aspect, soil, hardiness and mood, then returns a layer-balanced shortlist, a year-round interest calendar and nursery-ready quantities.
Planting
Vertical Garden / Living Wall Calculator
PopularSize a living wall or green facade: choose a system, check the saturated structural load, get planting density, automated irrigation sizing, an itemised bill of materials, an indicative budget and a multi-year cost of ownership.
Vertical gardens
Irrigation Systems Calculator
Size a garden irrigation system from a bucket-flow test: converts supply flow into litres/min, applies friction loss, splits the system into hydraulically viable zones and returns a priced bill of materials.
Irrigation
Setting Out & Levels
PopularDraw your area, mark the house wall and any focal feature, then get squaring numbers, balanced cuts, falls and a peg & string level schedule.
Site tools
Garden Designer (Whole-Garden Setting Out)
PopularModel the whole garden — draw every area, take levels and falls across the plot, and get garden-wide squaring, cut & fill and muck-away. Add extra areas for paths, lawns and beds.
Site tools