Toolivaro

Free Home Improvement Calculators

Estimating materials for a home project saves time, money, and an extra trip to the store. These estimators support metric and imperial units, include a waste-factor control, and separate volume, area, package count, and estimated cost so you always know what the number means.

The rack

Paint Calculator Stable Estimate how many gallons or liters of paint you need for a room, from wall measurements, openings, and coats. Flooring Calculator Stable Estimate the flooring boxes you need for a room: area from length and width, waste allowance, pack count, and cost. Tile Calculator Stable Estimate the tiles and boxes you need for a floor or wall, with waste, grout, tile size, and total cost. Concrete Calculator Stable Estimate concrete volume in cubic yards or meters and the number of bags needed for a slab, footing, or pad, with cost. Gravel Calculator Stable Estimate gravel volume in cubic yards or meters, weight in tons, and cost for a driveway, path, or base layer.

About this category

Home & Construction Estimators on Toolivaro follow the same standard as every other page on the site: each tool shows its formula or method, its assumptions, a worked example, and its limitations, and every result is computed locally in your browser.

All tools are reviewed on a regular schedule. If a calculation looks wrong to you, use the correction link at the bottom of the tool page — corrections are reviewed by a human and the reviewed date is updated when changes land.

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