Home Improvement Calculators & Tools
Work out how much material to buy, plan a budget with your own numbers, or check a contractor's quote. For installed project prices, see our cost calculators.
How much material do I need?
Concrete Calculator
Cubic yards and 40/60/80 lb bags for slabs, patios, and post holes.
Open →Mulch Calculator
Cubic yards or bags of mulch for any garden bed.
Open →Gravel Calculator
Tons and cubic yards of gravel, by stone type, for driveways, paths, and bases.
Open →Square Footage Calculator
Square feet, yards, and meters for rooms and odd shapes.
Open →Drywall Calculator
Sheets of drywall plus screws, tape, and joint compound for a room.
Open →Tile Calculator
Tiles and boxes needed for floors, showers, and backsplashes.
Open →Fence Materials Calculator
Posts, rails, pickets, and concrete bags for a wood fence.
Open →Planning tools
Contractor Quote Checker
Paste a quote to find missing permits, disposal fees, and vague allowances before you sign.
Open →Renovation Budget Builder
Build a line-by-line budget with your own numbers, tax, and contingency, then export it.
Open →Roof Pitch & Area Calculator
Turn your home’s footprint and roof pitch into true roof area and roofing squares.
Open →Paint Calculator
Wall area minus doors and windows, coats, and the number of gallons to buy.
Open →