🏗️ 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 ...
Cubic Yards Calculator
Enter length, width, and depth to turn any slab, garden bed, driveway, or trench into cubic yards, cubic feet, and cubic inches, with a waste allowance, a tr...
Deck Calculator
Free deck calculator that turns your deck's length and width into decking boards, linear feet, fasteners, and an estimated material cost. Set board size 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...
Fence Calculator
Turn your fence line into a materials list: enter total length, height, and post spacing to get posts, panels, rails, pickets, a recommended post-hole depth,...
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...
Mulch Calculator
Free mulch calculator that turns a bed's length, width, and depth into cubic yards, cubic feet, and 2-cubic-foot bags. Enter your dimensions to see how much ...
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...
Roof Pitch Calculator
Enter the rise and run you measured and get the pitch in X/12 form, the slope angle in degrees, the percent grade, and the area multiplier that converts a fl...
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...
Square Footage Calculator
Enter length and width in feet to calculate the square feet of a room, wall, deck, or lot. Repeat identical areas, subtract doors and windows, add a waste al...
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...