About Home Material Calculators

Home Material Calculators publishes free calculators that help homeowners and DIYers estimate how much material a project needs. Each calculator shows its formula, a worked example and the typical figures suppliers use, so you can check the result yourself.

The calculators are estimates. Real jobs vary with ground conditions, product density and supplier rounding, so always confirm quantities with your supplier and follow local building codes for structural work.

Found a mistake or want a calculator added? Get in touch.