Terms & Conditions

Last updated: June 4, 2026

By accessing or using ArchCalc, you agree to be bound by these Terms & Conditions. If you do not agree, please do not use the site.

Use of the site

ArchCalc provides free online calculators for informational and educational purposes. You may use the tools for personal and professional work. You agree not to misuse the site, attempt to disrupt its operation, or use automated systems to scrape or overload it.

No professional advice

The calculators provide estimates and guidance based on standard formulas and common rules of thumb. They are not a substitute for professional engineering, architectural or legal advice, and do not guarantee compliance with any building code or regulation. You are responsible for verifying all results against applicable codes and qualified professionals before relying on them for design, construction or procurement.

Disclaimer of warranties

The site is provided “as is” and “as available” without warranties of any kind, express or implied, including accuracy, fitness for a particular purpose, or uninterrupted availability.

Limitation of liability

To the fullest extent permitted by law, ArchCalc and its creators shall not be liable for any direct, indirect, incidental or consequential damages arising from your use of, or inability to use, the site or its calculators.

Intellectual property

The site's design, text and original content are the property of ArchCalc and are protected by applicable intellectual-property laws. You may not reproduce or redistribute substantial portions of the site without permission.

Third-party links and ads

The site may display third-party advertising and links. We are not responsible for the content, products or practices of third-party sites or advertisers.

Changes

We may revise these terms at any time. Continued use of the site after changes constitutes acceptance of the updated terms.

Contact

Questions about these terms? Email hello@archcalc.com.