Construction and home quantity calculators
Every calculator here answers one question and shows the arithmetic behind it. Nothing to sign up for, nothing sent to a server.
Board feet
Board feet for any board size and quantity, with linear feet.
Brick quantity
Brick counts by brick type, with a mortar-joint allowance.
Concrete bags
Bag counts for a slab at any bag size, with the volume behind it.
Concrete cubic yards
Slab or footing volume in cubic yards, plus 60 lb and 80 lb bag counts.
yd³ to ft³
Convert between cubic yards, cubic feet and cubic metres in one place.
Deck boards
Board count for a deck, including the gaps and the rows.
Drywall sheets
Sheet counts by size, deducting doors and windows, with a cut allowance.
Fence material
Pickets, posts and rail length for a privacy fence run.
Fence post spacing
Even post spacing for a run, plus how many posts and rails to buy.
Gravel tonnage
Tons and cubic yards for a driveway, path or drainage bed.
Grout quantity
Pounds of grout from tile size, joint width and tile thickness.
Insulation bags
Bags of blown-in insulation for an attic at your target R-value.
Mulch volume
Cubic yards and bag counts for a bed at 2-4 inches deep.
Paint coverage
Gallons for a room, deducting doors and windows, by number of coats.
Paver quantity
Paver count for a patio or path, plus the base material underneath.
Pool volume
Gallons in a round or rectangular pool, from average depth.
Roof pitch
Convert rise and run into pitch, degrees and the roof area factor.
Roof squares
Squares and bundles, with the roof pitch and overhang factored in.
Sod quantity
Rolls and pallets for a lawn, with a small overlap allowance.
Square footage
Area in square feet and square yards, for one space or several.
Stair stringer
Rise, run and stringer length that meet code-comfortable dimensions.
Tile quantity
Tiles and boxes for a room, with a waste allowance for cuts.
Topsoil volume
Cubic yards, tons and 40 lb bags for a bed or a new lawn.
Wallpaper rolls
Roll counts from room perimeter, with pattern repeat taken into account.
Waste factor
Turn a net quantity into an order quantity, and see what the waste costs.