Terms of use

Draft: the owner's legal business name will be added here before launch.

Last updated November 11, 2026.

By using FreeConcreteCalculator.org (operated by FreeConcreteCalculator.org) you agree to these terms.

Estimates only

The calculators give planning estimates based on your inputs and the assumptions shown. They are not quotes, engineering advice or a guarantee of quantity or cost. Check quantities with your supplier before ordering. See the full disclaimer.

No warranty

The site is provided "as is" without warranties of any kind. To the extent the law allows, we are not liable for losses from using it, including over- or under-ordering materials.

Content

Text, design and code on this site belong to FreeConcreteCalculator.org. You may quote short passages with a link back.

Changes

We may update these terms; the date above shows the latest version. Questions: hello@freeconcretecalculator.org.