Free contractor tools

Calculators built for the trades.

Cubic yards, tons, squares, bundles, boxes. The numbers estimators pull off the top of their head for years, in one place, free to use.

Concrete Calculator

Concrete Calculator

Calculate cubic yards, 60 lb bags, and 80 lb bags for slabs, footings, and pads.

Open calculator →
Gravel Calculator

Gravel Calculator

Cubic yards and tons for driveways, drainage, base rock, and pea gravel.

Open calculator →
Sand Calculator

Sand Calculator

Cubic yards and tons of sand for pavers, sandboxes, arenas, and backfill.

Open calculator →
Roofing Calculator

Roofing Calculator

Roof area, squares, and shingle bundles from footprint and pitch.

Open calculator →
Asphalt Calculator

Asphalt Calculator

Tons of hot mix asphalt for driveways, parking lots, and overlays.

Open calculator →
Mulch Calculator

Mulch Calculator

Cubic yards and bags of mulch for beds, borders, and playground surfacing.

Open calculator →
Paint Calculator

Paint Calculator

Gallons of paint for interior walls, exterior siding, and trim.

Open calculator →
Topsoil Calculator

Topsoil Calculator

Cubic yards of topsoil for lawns, gardens, raised beds, and grading.

Open calculator →
Cubic Yard Calculator

Cubic Yard Calculator

Convert length, width, and depth to cubic yards for any bulk material.

Open calculator →
Drywall Calculator

Drywall Calculator

Sheets, screws, mud, and tape for walls, ceilings, and additions.

Open calculator →
Flooring Calculator

Flooring Calculator

Square feet and boxes for hardwood, LVP, laminate, and tile.

Open calculator →
Paver Calculator

Paver Calculator

Paver counts, base gravel, and setting sand for patios and walkways.

Open calculator →
Sod Calculator

Sod Calculator

Square feet, pallets, and rolls for lawns, patch jobs, and new construction.

Open calculator →
Stone Calculator

Stone Calculator

Tons and cubic yards for decorative rock, river stone, flagstone, and boulders.

Open calculator →
French Drain Calculator

French Drain Calculator

Gravel volume, pipe length, and fabric coverage for perimeter and yard drains.

Open calculator →
Retaining Wall Calculator

Retaining Wall Calculator

Block counts, base gravel, and cap pieces for segmental block walls.

Open calculator →
Deck Material Calculator

Deck Material Calculator

Board counts, joists, beams, and fasteners for pressure-treated and composite decks.

Open calculator →
Fence Calculator

Fence Calculator

Pickets, rails, posts, and concrete for privacy and picket fences.

Open calculator →
Fence Post Calculator

Fence Post Calculator

Post count, hole depth, and concrete for wood, metal, and vinyl posts.

Open calculator →
Pipe Slope Calculator

Pipe Slope Calculator

Slope in percent, inches per foot, and total drop for drain, sewer, and drainage pipe.

Open calculator →
Pipe Volume Calculator

Pipe Volume Calculator

Gallons, cubic feet, and liters of water inside a pipe run for any diameter and length.

Open calculator →
Wire Size Calculator

Wire Size Calculator

AWG copper wire sizing by amp load and run length, factoring voltage drop.

Open calculator →
Voltage Drop Calculator

Voltage Drop Calculator

Voltage drop in volts and percent for a given wire size, current, and run length.

Open calculator →
BTU Calculator

BTU Calculator

Room by room heating and cooling BTU sizing for HVAC systems in Texas climate.

Open calculator →
Job Cost Calculator

Job Cost Calculator

Total job cost from materials, labor hours, burden, equipment, and subs.

Open calculator →
Bid Calculator

Bid Calculator

Total bid price from cost plus markup, with margin and profit breakdown.

Open calculator →
Contractor Markup Calculator

Contractor Markup Calculator

Convert between markup and margin, and calculate the multiplier for any target margin.

Open calculator →
Contractor Profit Margin Calculator

Contractor Profit Margin Calculator

Gross margin, net margin, and required revenue to hit an annual profit target.

Open calculator →
Labor Burden Calculator

Labor Burden Calculator

Loaded labor rate from base wage plus payroll taxes, workers comp, and benefits.

Open calculator →
Cost Per Lead Calculator

Cost Per Lead Calculator

Cost per lead, cost per acquired customer, and break-even lead cost for contractors.

Open calculator →
Local SEO ROI Calculator

Local SEO ROI Calculator

Return on investment for local search marketing based on rankings, calls, and close rate.

Open calculator →
Website ROI Calculator

Website ROI Calculator

Return on investment for a contractor website based on traffic, conversions, and job value.

Open calculator →