By using Concrete Math Pro you agree to these terms. They were last updated on November 13, 2026.
What the site provides
Concrete Math Pro offers free calculators and guides for estimating concrete quantities. The site is provided as is, without any warranty.
Estimates only
Results are estimates based on the numbers you enter and the assumptions listed on the How We Calculate page. Check every quantity before you buy materials or place an order.
Not professional advice
Nothing on this site is engineering, structural or building-code advice. For anything that carries a load or needs a permit, follow your local building code and consult a qualified professional.
Limitation of liability
To the extent the law allows, Concrete Math Pro is not liable for losses that result from using the calculators or the information on this site, including ordering too much or too little material.
Content
The text, tables and calculator on this site belong to Concrete Math Pro. You may share links and quote short passages with credit.
Changes
We may change these terms as the site develops. Continued use of the site means you accept the current version.