🏗️ Calculators: Construction & DIY
Calculators for concrete, roofing, paint, drywall, lumber, tile, and other building materials. Built for US contractors and DIYers.
Concrete Calculator
Free concrete calculator that turns your slab, footing, or pad dimensions into cubic yards and the number of pre-mix bags you need. Enter length, width, and ...
Drywall Calculator
Free drywall calculator that turns your wall and ceiling area into the number of sheets, joint compound, and screws you need. Works as a sheetrock calculator...
Lumber Calculator
Free lumber calculator that converts board dimensions into board feet and total cost. Use it as a board foot calculator for framing, decking, and hardwood, a...
Paint Calculator
Free paint calculator that turns wall area, number of coats, and coverage into the gallons of paint you need. Use it as a paint coverage calculator for inter...
Roofing Calculator
Free roofing calculator that converts your roof footprint and pitch into roofing squares, shingle bundles, and estimated cost. Works as a roof pitch calculat...
Tile Calculator
Free tile calculator that turns your floor or wall area into the number of boxes and total square feet of tile you need, including waste. Works as a tile squ...