Home Improvement Calculators

Calculate exactly how many gallons of paint you need for any room based on wall area, openings, number of coats, and paint coverage.

Calculate the total square footage and number of flooring boxes needed for any room, with adjustable waste factor.

Calculate cubic yards of concrete and equivalent bag counts for slabs, patios, footings, and other rectangular concrete pours.

Calculate cubic yards and bag count for mulch by your bed dimensions and desired depth.

Calculate cubic yards and estimated tons of gravel needed for driveways, paths, drainage, and landscaping projects.

Calculate posts, rails, and pickets needed to build a wood privacy fence based on your fence length and post spacing.

Calculate roofing squares and bundles of shingles needed based on your house footprint and roof pitch.

Calculate the number of tiles and boxes needed for any floor or wall project, with adjustable waste factor for cuts.

Estimate how many rolls of wallpaper you need for any room, with waste allowance for pattern matching and cuts.

Calculate decking boards needed for a rectangular deck based on deck dimensions, board width, and spacing gap.

Calculate the number of sod pallets needed to install a new lawn based on your yard dimensions.

Calculate drywall sheet count for walls and ceiling of any room, including standard waste factor for cuts and seams.

Calculate gallons of deck stain, sealer, or exterior wood finish needed based on deck area and coats.

Calculate board feet from lumber dimensions — thickness, width, length, and quantity — for pricing and ordering.

Calculate how many bags or bundles of insulation you need for walls, attics, and floors based on area and R-value coverage.