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.

Popular

Paint Calculator

Gallons to cover walls and ceilings — accounts for doors, windows, and a second coat.

Estimate paint Popular

Concrete Calculator

Bags and cubic yards for slabs, footings, and post holes — round shapes included.

Estimate concrete

Tile Calculator

Tiles, boxes, and thinset for floors or walls — adds waste for cuts and breakage.

Estimate tile

Flooring Calculator

Boxes of laminate, vinyl, or hardwood for any room shape — includes waste factor.

Estimate flooring

Deck 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.

Browse guides