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.
Siding Calculator
Squares of siding for a house, openings deducted.
Gutter Calculator
Linear feet of gutter, downspouts, and hangers.
Board Foot Calculator
Board feet and cost for lumber.
Grass Seed Calculator
Pounds of seed for a new or overseeded lawn.
Drop Ceiling Calculator
Tiles and grid for a suspended ceiling.
Cubic Yards Calculator
Volume in cubic yards for any bulk material.
Grout Calculator
Pounds of grout for tile — floor, wall, or backsplash.
Sand Calculator
Tons and cubic yards of sand for a patio, pool, or base.
Spray Foam Calculator
Board-feet of spray foam insulation for walls or attics.
Caulk Calculator
Tubes of caulk for a joint length, with waste factor.
Carpet Stairs Calculator
Carpet yardage for a staircase — treads, risers, and nosing.
Floor Joist Calculator
Joist count and spacing for a deck or floor framing.
Rough Opening Calculator
Rough opening size for doors and windows.
Pool Volume Calculator
Gallons and liters for rectangular, oval, or round pools.
Window Calculator
Window count, glass area, and rough opening size for a wall.
Mortar Calculator
Bags of mortar for brick or CMU block walls.
PEX Pipe Calculator
Total PEX footage for radiant floor heating or plumbing.
Framing Cost Calculator
Stud count, linear feet, and lumber cost estimate for a wall.
Driveway Cost Calculator
Concrete vs asphalt driveway cost estimate by square footage.
Bathroom Tile Calculator
Floor and wall tile boxes plus grout for a bathroom remodel.
Wood Fence Cost Calculator
Posts, rails, pickets, and cost estimate for a wood fence.
Shed Calculator
Studs, plywood, roofing squares, and siding for a shed build.
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.