Terms of use
Effective 2026-10-10. By using this site you agree to these terms.
Use of the site
The calculators and guides are provided free for personal and commercial use in planning concrete work. You may link to any page. You may not copy the calculators, their code or the written content for republication without permission, scrape the site, or use it in a way that interferes with its operation.
Estimates only
Results are material estimates based on the measurements you enter and published manufacturer data. They are not engineering, structural or professional advice, and they do not account for site conditions we cannot see. Verify quantities with your supplier and follow your local building code. See the disclaimer.
No warranty
The site is provided “as is” without warranties of any kind. We work to keep formulas and data accurate and we correct errors we find or that are reported to us, but we do not guarantee that the site is error-free or always available.
Limitation of liability
To the fullest extent permitted by law, Concrete Calculator is not liable for any loss arising from use of the site, including over-ordering, under-ordering, or decisions made on the basis of a result.
Advertising
The site displays third-party advertising. We do not endorse advertised products and are not responsible for advertisers’ sites.
Changes
We may change these terms by updating this page. Continued use after a change means you accept the new terms.
Contact
Questions about these terms can be sent through the contact page.