Home Improvement calculators

A focused hub of formula-based tools in the home improvement category. Each page includes the calculator, formula, assumptions, and related tools.

Calculate caulk tubes, coverage per tube, material volume, and project cost from bead dimensions.

Calculate curtain face fabric, fabric widths, adjusted cut length, lining, and cost.

Calculate decking boards, joists, screws, screw boxes, and board/screw cost.

Calculate drywall sheets, net area, screws, joint compound, tape, and sheet cost for a room.

Calculate concrete bags for fence posts from post count, hole size, post displacement, bag yield, and waste.

Calculate flooring boxes, order area, spare area, underlayment rolls, and material cost.

Calculate gravel cubic yards, tons, bag count, and bulk cost for a compacted pad or shed base.

Estimate stair risers, tread count, total run, stringer length, angle, 2R+T comfort, and basic code checks from total rise and tread depth.

Calculate grout quantity and bags from tile size, joint width, depth, area, and waste percentage.

Calculate wallpaper rolls, strips, adjusted drop length, waste, and project cost.