Material calculators for every home project
Free, no-signup calculators that estimate exactly how much material you need before you buy — so you make one trip to the store and skip the guesswork.
Paint Calculator
Gallons to cover walls and ceilings — accounts for doors, windows, and a second coat.
Estimate paint PopularConcrete Calculator
Bags and cubic yards for slabs, footings, and post holes — round shapes included.
Estimate concreteTile Calculator
Tiles, boxes, and thinset for floors or walls — adds waste for cuts and breakage.
Estimate tileFlooring Calculator
Boxes of laminate, vinyl, or hardwood for any room shape — includes waste factor.
Estimate flooringDeck Calculator
Decking boards and screws.
Fence Calculator
Posts, rails, pickets, concrete.
Roofing Calculator
Shingle bundles and squares.
Mini-Split Sizing
Room BTU capacity.
Drywall Calculator
Sheets, screws, compound, tape.
Wallpaper Calculator
Rolls for a room.
Insulation Calculator
Bags or rolls by R-value.
Stair Calculator
Risers, treads, run, stringer.
Brick Calculator
Bricks and mortar bags.
Baseboard & Trim
Linear feet of trim.
Wall Framing
Studs and plates for a wall.
Carpet Calculator
Carpet and padding by the yard.
Siding Calculator
Squares of siding for exterior walls.
Paver Patio
Pavers, base gravel, and sand.
Deck Stain
Gallons of stain or sealer.
Rebar Calculator
Rebar for a slab grid.
Guides
How-to and planning articles — measuring, project costs, choosing materials, decks, and HVAC sizing.