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Free construction calculators for contractors, builders, estimators, and homeowners. Every tool runs in your browser — no account, no subscription, your numbers never leave your device.

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Estimates are planning aids verify quantities against your local codes and supplier quotes.

Tool category

Site Work, Decks & Fencing calculators

Cut/fill dirt, aggregate tonnage, deck boards, fence runs and paver quantities for the site. 8 free calculators below.

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8 calculators

Every tool below is free results update live as you type.

Earthwork
Trench, Excavation & Dirt HaulExcavation calculator: bank vs. loose cubic yards with soil swell, heaped truckloads, and backfill volumes for trenches, basements, and digs fast. Free, no sign-up.Calculates: Bank yardsUse tool
Earthwork
Retaining Wall Block & Geogrid EstimatorRetaining wall calculator: SRW block courses, cap units, drainage stone tons, base rock, and geogrid for segmental retaining walls fast. Free, no sign-up.Calculates: Wall blocksUse tool
Paving
Asphalt Paving & Driveway EstimatorAsphalt calculator: hot-mix tonnage and crushed aggregate base for driveways, lots, and pads from area, asphalt depth, and base depth. Free, no sign-up.Calculates: HMA tonsUse tool
Earthwork
Aggregate & Stone Tonnage CalculatorGravel calculator: compacted tons of crushed stone, road base, sand, and decomposed granite from area and depth, with compaction allowance. Free, no sign-up.Calculates: TonsUse tool
Decks
Decking, Joist & Post EstimatorDeck material calculator: field joists, rim and ledger boards, decking planks, posts, concrete, and fasteners for any residential deck. Free, no sign-up.Calculates: JoistsUse tool
Fencing
Wood & Chain-Link Fence EstimatorFence calculator: posts, rails, pickets or chain-link rolls, gate kits, and fast-set concrete for wood and chain-link fences in minutes. Free, no sign-up.Calculates: PostsUse tool
Hardscape
Interlocking Paver, Bedding & Polymeric SandPaver calculator: paver units, crushed base tons, 1-in bedding sand, and polymeric joint sand for any patio, walkway, or driveway fast. Free, no sign-up.Calculates: Paver unitsUse tool
Siding
Exterior Siding & Housewrap EstimatorSiding calculator: siding squares, housewrap rolls, starter strips, and corner posts from wall perimeter, gables, and all openings fast. Free, no sign-up.Calculates: Siding squaresUse tool
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