DIY Home Improvement

Whether you are painting, tiling, building a deck, or pouring concrete, these estimators help you buy the right amount of materials.

11 calculators in this toolkit

Estimate the number of gallons of paint needed based on area, number of coats, and coverage per gallon.

Estimate gallons of paint needed from wall area, number of coats, and paint coverage per gallon.

Estimate the number of tiles needed for a room including a waste percentage allowance.

Estimate total grout joint length, joint volume, and approximate number of 25 lb grout bags needed.

Estimate concrete volume in cubic feet and cubic yards, plus the number of bags needed based on bag yield.

Calculate the volume in cubic feet and cubic yards for a rectangular area given length, width, and depth.

Estimate the number of drywall sheets needed from total wall area, sheet coverage, and waste percentage.

Calculate the number of spans, posts required, and actual spacing for a deck given its length and maximum post spacing.

Calculate stair riser count, actual riser height, number of treads, total run, and approximate stringer length.

Calculate board feet per piece and total board feet from lumber dimensions and quantity.

Calculate the square footage of a single room and total area for multiple identical rooms.