Free Contractor Calculators
Quick, no-sign-up estimating tools for the job site — square footage, flooring, paint, drywall, and concrete. Built by the team behind ProBuildCalc, the LiDAR scanning + takeoff app.
Square Footage Calculator
Length × width to total square feet, yards, meters, and acres.
Flooring Calculator
Square footage and how many boxes of flooring, with a waste factor.
Paint Calculator
Gallons of paint for a room — doors and windows deducted.
Drywall Calculator
Sheets of drywall plus screw, compound, and tape estimates.
Concrete Calculator
Cubic yards of ready-mix or bags for a slab.
Tile Calculator
Tiles and boxes for a floor or wall, with waste.
Roofing Calculator
Roof area, squares, and shingle bundles by pitch.
Deck Board Calculator
Deck boards and total linear feet for your deck.
Baseboard & Trim Calculator
Linear feet and pieces of baseboard, crown, or trim.
Fence Calculator
Posts, rails, and pickets for a fence run.
Mulch & Soil Calculator
Cubic yards and bags of mulch, topsoil, or gravel.
Carpet Calculator
Square feet and square yards of carpet for a room.
Insulation Calculator
Bags or batts of insulation for walls and attics.
Gravel Calculator
Cubic yards and tons of gravel or crushed stone.
Stud & Framing Calculator
Studs and plate material for a stud wall.
Plywood & Sheathing Calculator
Sheets of plywood, OSB, or subfloor.
Sod Calculator
Square feet, yards, and pallets of sod.
Wallpaper Calculator
Rolls of wallpaper for a room, with pattern waste.
Brick & Block Calculator
Bricks or blocks plus mortar for a wall.
Rebar Calculator
Grid rebar length and bar count for a slab.
Stair Calculator
Steps, riser height, and run from total rise.
Paver Calculator
Pavers, base, and sand for a patio.
Asphalt Calculator
Tons of asphalt for a driveway or lot.
Retaining Wall Calculator
Blocks, caps, and base for a retaining wall.
Do the whole takeoff automatically
ProBuildCalc turns your iPhone's LiDAR scanner into a job-site measuring kit — walk the space and it captures the square footage, material takeoff, and a blueprint automatically. No tape measure, no graph paper.