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Calculators for the job,with the working shown.

30 free construction calculators — excavation, hauling, materials, concrete and cost — with every step on the page, real unit conversion and no invented prices.

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01ExcavationBank volume in cubic yardsNext tools

calcumetryx / bench / excavationlive

ExcavationVolume · bank yd³

19,200 FT³711.11 YD³

LengthftWidthftDepthft

Excavation

711.11yd³

19,200 cu ft · 543.7 m³

yd³ft³m³tonsFull excavation calculator

·the bench — type a size like 60 x 40 x 8, or `help`
❯open excavation
·V = L × W × D = 60 ft × 40 ft × 8 ft = 19,200 cu ft ÷ 27
✓711.11 cu yd  ·  543.69 m³

Fig. 001 — Four tools, one benchType a size, or open a track on the left

Built for three kinds of job.

Sixteen calculators, sorted by what you are standing in front of rather than by keyword.

Earthwork

5 tools · bank measure

Excavation, trenches, land clearing, cut and fill, slope. Volumes as the survey sees them, before swell and before a single truck has been loaded.

01 / 03Open earthwork

The platform,by the numbers.

Tools built, guides sourced, groups sorted — and the one figure that is zero on purpose.

How we calculate

30

Calculators live

12

Guides, each with its sources

5

Job groups

0

Market rates built in

Measured in what you measured it in,every time.

Feet and inches in, cubic yards out — or metres both ways. Conversion is exact and the unit is on every figure.

ftfeet

ininches

ydyards

mmetres

cmcentimetres

ft²square feet

yd³cubic yards

ft³cubic feet

m³cubic metres

tonUS tons

Every tool we have built.

Each one answers a question the others do not. Overlapping terms are merged, not published twice.

Volumes, cuts, trenches and pits

01ExcavationBank volume in cubic yardsCubic yards of material to be dug out — including battered side walls, over-excavation and swell.Open 02Cut & FillCut, fill, net and total movedCut, fill and net earthwork by the grid method — the one a site engineer uses, not area times average depth.Open 03Trench VolumeTrench and spoil volumeSpoil, backfill and bedding quantities for a run of trench — from the cross-section up.Open 04Swell factorBank, loose and compacted volumeConvert bank, loose and compacted volumes both ways from your own swell and shrinkage, or work out your swell factor and load factor from two things you measured. No soil factor is assumed.Open HubAll earthwork toolsBrowse

Price the work with your own rates

01Excavation CostTotal cost, at your ratesPrice an excavation from the dimensions up, using your unit rates or your hourly rates.Open 02Trenching CostCost per foot and totalPrice a run of trench per linear foot, per cubic yard or by the hour — with backfill, bedding and restoration.Open 03Land Clearing CostCost by acre or by lotPrice clearing a parcel by the acre, by the square foot or by the hour — plus trees, stumps and debris.Open 04MarkupPrice, markup and marginPrice from cost and markup, markup from cost and price, or the markup you need for a target margin — with the margin shown every time.Open 05Labor burdenBurdened hourly labor rateAdd payroll taxes, workers’ comp, insurance and benefits to a wage and get the fully burdened hourly rate — and the rate per hour actually worked.Open HubAll cost toolsBrowse

Loads, payloads and trips

01Dirt HaulingTruck loads and round tripsTruck loads, haul time and cost — including whether your trucks fill up by volume or by weight first.Open HubAll hauling toolsBrowse

Volumes, areas and unit conversions

01SlopeGrade, ratio, angle, lengthRise, run, percent grade, ratio and angle — enter any one and get the others.Open 02Roof pitchPitch, angle, rafter, squaresPitch as X in 12, the angle, grade and pitch factor from a rise and run, a pitch or an angle, plus the rafter line length with overhang and the roof area in squares.Open 03StairsRisers, treads and stringer layoutRiser height, treads, total run, stair angle and the stringer layout from your total rise, with a cut list in feet, inches and sixteenths and in millimetres.Open 04Square FootageSquare feet of rooms and shapesSquare feet, square yards, square metres and acres for one shape or up to six added together, with cut-outs subtracted.Open 05Cubic YardCubic yards from any shapeCubic yards from length, width and depth, from a square-foot area and a depth, or from a volume you already have in cubic feet or metres.Open 06Board feetBoard feet, linear feet and costBoard feet from the thickness, width and length of each piece, for up to four lumber sizes, with the linear feet and, at your own price, the cost.Open HubAll measurement toolsBrowse

Gravel, topsoil, fill and aggregate

01StudsStuds, plates and board feetThe studs in a wall from its length and on-center spacing, rounded up once, with your own corner and opening counts, the plates, the lumber list and, at your own price, the cost.Open 02Yards to tonsWeight from volume, and backConvert cubic yards to tons, or tons to cubic yards, from the density of your own material — with the working shown and no density assumed for you.Open 03GravelCubic yards, and tonsHow much gravel a driveway, path or pad takes — in cubic yards, cubic feet or cubic metres.Open 04Asphalt tonsAsphalt tons from area, and backTons of asphalt from area and compacted thickness, or the area a tonnage covers, from your mix’s unit weight or density, its Gmm in Florida DOT’s spread-rate equation, or a state DOT planning factor you choose.Open 05DirtCubic yards to bring inHow much dirt you need to bring in to fill, level or raise an area.Open 06SoilCubic yards and bags for bedsHow much soil a raised bed, planter or border needs, in cubic yards, cubic feet and bags, at the depth you choose.Open 07Fill DirtLoose yards to orderFill volume in place, and how much loose material to order once compaction is allowed for.Open 08TopsoilCubic yards for a dressingHow much topsoil a lawn, seedbed or turfing job needs at a given dressing depth.Open 09MulchCubic yards and bags of mulchHow much mulch a bed, border or ring around a tree takes, in cubic yards, cubic feet and whole bags, at the depth you choose.Open 10ConcreteCubic yards, and bag countCubic yards and cubic feet for slabs, footings, walls, round piers, stairs and curb and gutter — with a bag count from the yield on your bag, not a guessed constant.Open 11Concrete BlockBlocks, mortar and grout bagsBlocks for a wall from its size and the block face, with doors and windows taken out, and mortar or grout bags from a maker’s stated yield or your own figure.Open 12BrickBricks, mortar bags and costBricks for a wall from its size, your brick and your joint, with doors and windows taken out, and mortar bags from a maker’s stated yield or your own figure.Open 13PaversPavers, base and bedding sandPavers for a patio, path or pad from its area and the paver’s size, with the joint counted once, plus base and bedding sand in cubic yards from the depths you enter.Open 14RebarBar count, length and weightHow many bars, how much bar and how much it weighs, for a slab grid or straight runs — from the spacing, cover and bar size on your drawings.Open HubAll materials toolsBrowse