Calculate the site, not just the digger.
Six practical groups covering 105 UK groundworks tools. Each group starts with the broadest planning tools, followed by specialist utilities for narrower jobs.
Access, machine fit and movement
Start with route width and the exact machine envelope, then check reach, turning, transport and movement around the site.
005Micro Digger Access Envelope Checker
Check gate width, path width, turning space, slope and unloading access before booking a machine.
Core planning tool · Access, machine fitStart here006Digger & Dumper Pairing Calculator
Match spoil volume, haul distance and access width to a practical dumper choice.
Core planning tool · Access, machine fitStart here009Wheelbarrow vs High-Tip Barrow vs Dumper
Compare labour time, access width, slope and spoil volume before choosing powered haulage.
Access, machine fitLive calculator022Digger Dig Depth & Reach Checker
Check whether a machine class can reach required depth, dump height and trench setback.
Access, machine fitLive calculator023Tracked vs Wheeled Digger Decision Tool
Compare surface damage, ground type, travel distance and site movement needs.
Access, machine fitLive calculator052Track Mat Quantity & Turning Area Calculator
Estimate ground protection mat quantities for plant routes, turning areas and spare coverage.
Access, machine fitLive calculator053Temporary Plant Ramp Gradient Calculator
Calculate ramp gradient, fill volume and platform length for temporary tracked-plant access ramps.
Access, machine fitLive calculator054Outrigger Pad Ground Pressure Calculator
Estimate pad pressure and required bearing area for small cranes, HIABs or stabilised plant near excavations.
Access, machine fitLive calculator069Plant Delivery & Muck-Away Route Distance Tool
Estimate public-road distance/time between two postcodes for delivery, muck-away or plant movement planning.
Access, machine fitLive data lookupLive calculator075Excavator Swing Radius & Clearance Checker
Check whether tail swing, spoil side and corridor width create a working-room issue for a mini digger.
Access, machine fitLive calculator076Narrow Lane Grab Lorry Reach Checker
Check whether a grab lorry can plausibly load spoil from a narrow lane, driveway or set-back stockpile.
Access, machine fitLive calculator082Road Plate Trench Cover Calculator
Estimate road plate count, overlap and bearing prompt for covering trenches across drives, yards or access roads.
Access, machine fitLive calculator095Compact Loader vs Dumper Productivity Calculator
Compare haul cycles for compact loader/bucket movement versus dumper haulage.
Access, machine fitLive calculator096Mini Digger Trailer Transport Weight Checker
Check whether digger, attachments and trailer weight exceed a towing or payload assumption.
Access, machine fitLive calculator097Mini Digger Slope Working Risk Prompt
Score slope, crossfall, soft ground and rain before assuming a mini digger can work safely.
Access, machine fitLive calculator098Ground Protection Mat Hire vs Reuse Cost Calculator
Compare mat hire cost, damage allowance and purchase/reuse threshold for repeated garden or site access.
Access, machine fitLive calculatorExcavation, spoil and muck-away
Estimate in-situ volume, entered bulking and density assumptions, handling time, stockpiles and whole disposal loads.
001Trench Spoil Volume Calculator
Work out trench dig volume, loose spoil and likely dumper loads before hiring a digger.
Core planning tool · Excavation, spoilStart here061Mini Digger Hire Duration Planner
Estimate hire duration from dig volume, production rate, setup time, access delays and working hours.
Core planning tool · Excavation, spoilStart here071Soil Bulking Factor & Density Calculator
Estimate loose spoil volume and tonnes from in-situ excavation, clay content, moisture and material density.
Core planning tool · Excavation, spoilStart here074Bucket Width vs Trench Overdig Calculator
Calculate extra spoil when the available bucket is wider than the required trench or duct trench.
Core planning tool · Excavation, spoilStart here015Garden Cut/Fill Level Calculator
Estimate cut and fill volumes when levelling a garden from simple grid measurements.
Excavation, spoilLive calculator045Crawl Space Muck-Away & Bucket Relay Calculator
Estimate muck-away volume, bucket loads and relay time for low-access underfloor excavation.
Excavation, spoilLive calculator047Swimming Pool Excavation Spoil & Access Calculator
Estimate pool excavation volume, loose spoil, access risk and muck-away loads for domestic pool digs.
Excavation, spoilLive calculator051Temporary Haul Road Stone Calculator
Estimate stone, geotextile and delivery loads for temporary haul roads or site tracks.
Excavation, spoilLive calculator055Skip vs Grab Lorry Muck-Away Selector
Compare skip counts, grab lorry loads and access constraints for excavation spoil removal.
Excavation, spoilLive calculator056Grab Lorry Load Estimator
Estimate grab lorry loads from spoil volume, density, payload and practical volume limit.
Excavation, spoilLive calculator057Bulk Bag vs Loose Aggregate Delivery Calculator
Convert aggregate volume to tonnes, bulk bags and loose delivery loads for small groundworks jobs.
Excavation, spoilLive calculator058Topsoil Strip & Stockpile Footprint Calculator
Estimate stripped topsoil volume, loose bulking and stockpile footprint from pile height and side slope.
Excavation, spoilLive calculator059Site Spoil Stockpile Footprint & Setback Calculator
Estimate spoil pile footprint, edge setback and available storage for excavation spoil.
Excavation, spoilLive calculator060Excavator Bucket Cycle Time Calculator
Estimate bucket cycles, productive digging time and output rate from bucket size and cycle time.
Excavation, spoilLive calculator062Concrete Breaker Production Time Calculator
Estimate concrete breaking time from slab thickness, reinforcement and breaker production rate.
Excavation, spoilLive calculator072Wet Clay Payload Derate Calculator
Estimate how wet clay reduces practical muck-away payload by weight before the lorry or skip is visually full.
Excavation, spoilLive calculator073Rock / Chalk Breakout Allowance Calculator
Estimate extra breaker time, spoil mass and hire risk when chalk, rubble or weak rock is mixed into an excavation.
Excavation, spoilLive calculator094Mini Digger Fuel Use & CO₂ Estimate
Estimate diesel use, fuel cost and CO₂ from machine hours, idle share and load factor.
Excavation, spoilLive calculatorDrainage, services and water
Plan levels, pipe and duct trenches, soakaways, dewatering, silt controls and service-aware excavation.
002Drainage Fall & Invert Level Planner
Estimate pipe fall, end invert level and trench-depth change across a drainage run.
Core planning tool · Drainage, servicesStart here012Soakaway Crate Excavation Calculator
Estimate pit size, spoil volume, geotextile area and reinstatement requirements.
Drainage, servicesLive calculator013Pond Excavation & Dewatering Calculator
Plan pond dig volume, spoil movement and whether dirty-water pumping may be needed.
Drainage, servicesLive calculator018Site Dewatering Pump Selector
Choose between puddle, submersible, trash, diaphragm and centrifugal pump types.
Drainage, servicesLive calculator019Drain Inspection & Clearance Selector
Decide when rods, a drain camera or pumping should come before excavation.
Drainage, servicesLive calculator026Trench Box Clearance & Bay Move Calculator
Plan trench-box bay moves, working clearance and excavation volume for supported drainage or service trenches.
Drainage, servicesLive calculator027Duct Bank Trench & Sand Bedding Calculator
Estimate trench size, sand surround and spoil for multiple ducts in a shared service trench.
Drainage, servicesLive calculator028Cable Trench Sand & Warning Tape Calculator
Calculate sand bed, sand cover, warning tape length and cable route allowance for a cable trench.
Drainage, servicesLive calculator029French Drain Gravel & Geotextile Calculator
Estimate gravel, pipe displacement and geotextile wrap area for a French drain trench.
Drainage, servicesLive calculator030Land Drain Fall, Gravel & Outlet Calculator
Estimate fall, end depth, gravel volume and pipe length for a perforated land-drain run.
Drainage, servicesLive calculator031Septic Tank Excavation & Pea Shingle Calculator
Estimate excavation, backfill and spoil volume for a buried septic tank or similar chamber.
Drainage, servicesLive calculator032Treatment Plant Excavation & Lifting Zone Planner
Check pit volume, reach requirement and lifting-zone risk before ordering a package treatment plant.
Drainage, servicesLive calculator033Attenuation Crate Bank Excavation Calculator
Plan modular attenuation crate layout, pit size, geotextile and excavation volume.
Drainage, servicesLive calculator034Inspection Chamber Riser Depth Calculator
Estimate chamber depth, riser count and excavation allowance for shallow inspection chambers.
Drainage, servicesLive calculator048Rain Garden & Swale Cut/Fill Calculator
Estimate trapezoid swale excavation, amended soil volume and spoil balance for rain gardens.
Drainage, servicesLive calculator067Environment Agency Flood-Area Excavation Checker
Use a postcode to check nearby Environment Agency flood areas and combine that with trench depth and pump capacity.
Drainage, servicesLive data lookupLive calculator068Postcode Elevation & Drainage Fall Checker
Compare two UK postcodes with public elevation data and a designed fall to sanity-check drainage direction.
Drainage, servicesLive data lookupLive calculator078Hand-Dig Near Services Time Calculator
Estimate labour time where excavation must slow down around known or suspected services.
Drainage, servicesLive calculator079Trial Hole & Reinstatement Calculator
Estimate test-pit volume, spoil, backfill and reinstatement quantities for trial holes or service exposure pits.
Drainage, servicesLive calculator080Utility Locator Mark-Out Coverage Planner
Plan scan grid coverage, paint/marker use and survey time before excavation near services.
Drainage, servicesLive calculator081Trench Sheet Count & Waler Allowance Calculator
Estimate trench sheets, overlap and waler rows for temporary support planning conversations.
Drainage, servicesLive calculator083Dewatering Hose Run & Head Loss Calculator
Estimate pump head allowance from vertical lift, hose run, bends and flow rate.
Drainage, servicesLive calculator084Settlement Tank & Silt Control Volume Calculator
Estimate settlement volume and silt capture allowance before pumping dirty excavation water.
Drainage, servicesLive calculator085Silt Fence & Drain Protection Calculator
Estimate silt fence length, drain protectors and spare material for excavation runoff controls.
Drainage, servicesLive calculator086Concrete Washout Pit & Liner Calculator
Estimate lined washout pit size, liner area and freeboard for small concrete pours.
Drainage, servicesLive calculator090Permeable Paving Sub-Base Storage Calculator
Estimate water storage volume in a permeable paving sub-base and compare it with rainfall/runoff demand.
Drainage, servicesLive calculator091Soakaway Distance Constraint Checker
Check common distance prompts before spending time sizing a soakaway that cannot fit on the plot.
Drainage, servicesLive calculator092Drainage Pipe Velocity at Fall Calculator
Estimate full-bore pipe velocity and flow from diameter, fall ratio and roughness.
Drainage, servicesLive calculator093CCTV Drain Survey Before-Dig Decision Tool
Compare survey cost, collapse risk and excavation cost before deciding whether to dig first.
Drainage, servicesLive calculator103Retaining Wall Weep Hole & Drainage Calculator
Estimate weep hole count, drainage pipe length and gravel zone volume behind a retaining wall.
Drainage, servicesLive calculatorFoundations, structures and concrete
Work from project dimensions for foundations, slabs, retaining structures, tanks and specialist excavations.
003Strip Foundation Dig Out Calculator
Estimate trench volume, loose spoil and concrete volume for strip footings.
Core planning tool · Foundations, structuresStart here007Concrete Slab Breakout Calculator
Estimate slab volume, waste weight and whether the job suits a hydraulic breaker or hand breaker.
Core planning tool · Foundations, structuresStart here014Retaining Wall Footing & Backfill Calculator
Estimate footing excavation, drainage stone and compaction work behind a retaining wall.
Foundations, structuresLive calculator020Concrete Pour Mixer & Vibrator Selector
Estimate concrete volume, mixer type, poker, screed and finishing tools.
Foundations, structuresLive calculator021Reinforced Slab Cut & Break Planner
Plan saw cuts, breaker choice and waste handling for thick or reinforced slabs.
Foundations, structuresLive calculator041Oversite Hardcore, Sand Blinding & DPM Calculator
Estimate hardcore, sand blinding, DPM lap and excavation for oversite slab preparation.
Foundations, structuresLive calculator042Raft Foundation Reduced-Level Dig Calculator
Estimate reduced-level dig, thickened edge trench volume and concrete guide for small raft foundations.
Foundations, structuresLive calculator043Pile Cap Excavation & Spoil Calculator
Estimate pile-cap excavation volume, working clearance and loose spoil across multiple caps.
Foundations, structuresLive calculator044Underpinning Bay Excavation Sequence Planner
Estimate bay count, per-bay volume and maximum open excavation for small underpinning planning discussions.
Foundations, structuresLive calculator046Garage Slab Base Dig-Out Calculator
Estimate reduced dig, hardcore, insulation/sand blinding and concrete volume for a garage slab.
Foundations, structuresLive calculator087Gabion Basket Foundation & Stone Calculator
Estimate gabion basket count, stone tonnage and foundation trench quantities.
Foundations, structuresLive calculator088Sleeper Wall Post Hole & Concrete Calculator
Calculate post count, auger holes, concrete and spoil for sleeper retaining walls.
Foundations, structuresLive calculator100Garden Room Pad Excavation Calculator
Estimate reduced dig, sub-base, concrete and spoil for a garden office or outbuilding pad.
Foundations, structuresLive calculator101Hot Tub Base Excavation & Slab Load Calculator
Estimate dig-out, sub-base, slab volume and bearing prompt for a hot tub base.
Foundations, structuresLive calculator102Shed Base Gravel Grid Calculator
Calculate gravel grid panels, gravel tonnage and dig-out for a shed or greenhouse base.
Foundations, structuresLive calculator105Basement Window Well Excavation Calculator
Estimate small window-well dig volume, gravel backfill and spoil route workload.
Foundations, structuresLive calculatorSurfacing, compaction and landscaping
Calculate reduced dig, layer quantities, compaction effort and common garden or boundary works.
004Driveway Excavation & Sub-Base Calculator
Estimate dig-out volume, Type 1 sub-base tonnage and compaction kit for driveway preparation.
Core planning tool · Surfacing, compactionStart here008Post Hole & Fence Line Calculator
Calculate post count, hole volume, concrete volume and whether an auger or manual digger makes sense.
Core planning tool · Surfacing, compactionStart here011Wacker Plate vs Trench Rammer vs Roller
Choose compaction kit from trench width, surface area, material and finish type.
Core planning tool · Surfacing, compactionStart here010Trench Backfill Compaction Calculator
Estimate backfill layers and whether a trench rammer or plate compactor suits the reinstatement.
Surfacing, compactionLive calculator016Turf Removal & Reinstatement Planner
Estimate turf waste, soil preparation depth and reinstatement tools for lawn work.
Surfacing, compactionLive calculator017Stump & Root Removal Planner
Compare stump grinding, root excavation and wood-waste handling for garden clearance.
Surfacing, compactionLive calculator035Kerb Line Excavation & Concrete Haunching Calculator
Estimate kerb trench excavation, concrete bed/haunch volume and spoil for edging or kerb runs.
Surfacing, compactionLive calculator036Edging Restraint Concrete Bed Calculator
Calculate concrete bed and haunch quantities for path, patio or driveway edging restraints.
Surfacing, compactionLive calculator037Patio Sub-Base, Bedding & Slab Weight Calculator
Estimate patio dig-out, Type 1 sub-base, bedding layer and slab handling weight.
Surfacing, compactionLive calculator038Block Paving Reduced Dig & Type 1 Calculator
Work out reduced dig depth, spoil, Type 1 and laying-course sand for block paving.
Surfacing, compactionLive calculator039Resin Driveway Base Preparation Calculator
Estimate dig-out and open-grade base quantities for resin-bound driveway preparation.
Surfacing, compactionLive calculator040Tarmac Patch Planing & Waste Calculator
Estimate asphalt planings, new binder/surface course tonnage and cutting length for tarmac patch repairs.
Surfacing, compactionLive calculator050Agricultural Gateway Hardstanding Calculator
Estimate excavation, geotextile and stone tonnage for farm gateway or field access hardstanding.
Surfacing, compactionLive calculator063Compaction Pass Count & Time Calculator
Estimate compaction passes and working time for plates, rammers or rollers across a defined area.
Surfacing, compactionLive calculator064Laser Level Fall & Peg Set-Out Calculator
Calculate total fall, end level and intermediate peg levels for drainage, patios or driveways.
Surfacing, compactionLive calculator089Tree Root Protection Excavation Checker
Use stem diameter to estimate a root-protection area and flag whether excavation is too close.
Surfacing, compactionLive calculator099Rain Delay & Compaction Moisture Risk Calculator
Score whether rain, clay share and layer thickness are likely to delay compaction or reinstatement.
Surfacing, compactionLive calculatorSite conditions and pre-start planning
Use postcode, weather, geology, permit and ground-condition prompts before committing plant or opening the ground.
065Postcode Site Risk Pack: Rain, Flood & Access Tool
Use a UK postcode to pull public site context and combine it with excavation depth, access and spoil risk.
Core planning tool · Site conditionsLive data lookupStart here024Site Power & Generator Sizing Tool
Estimate generator size from pumps, lighting, mixers and 110V site tools.
Site conditionsLive calculator025Battered Trench Side-Slope Volume Calculator
Estimate extra excavation volume when a trench is battered back instead of cut with vertical sides.
Site conditionsLive calculator049Ditch Regrading Spoil & Gradient Calculator
Estimate ditch regrade volume, gradient and loose spoil for open drainage channels.
Site conditionsLive calculator066Live Diggability Weather Window Planner
Check whether the next few days look suitable for excavation, compaction and muck-away around a UK postcode.
Site conditionsLive data lookupLive calculator070Postcode Council & Skip Permit Prompt Tool
Use a postcode to identify the council area and combine skip/road-space inputs into a permit prompt.
Site conditionsLive data lookupLive calculator077Skip Road-Space & Permit Size Calculator
Estimate skip footprint, road width left and number of skips before checking council permit requirements.
Site conditionsLive calculator105Postcode Geology & Diggability Checker
Live BGS postcode lookup for bedrock, superficial deposits, made ground and diggability prompts.
Site conditionsLive BGS lookup