Terms of use
Last updated October 15, 2026
By using Engineering Calc Tools you agree to these terms. If you do not agree, please do not use the site.
Educational use and engineering disclaimer
The calculators, formulas and explanations on this site are provided for education, homework checking and preliminary estimates. They are based on simplified theoretical models whose assumptions are listed on each page. They do not account for every condition found in real structures and machines, do not apply safety factors, and do not check compliance with any building code or design standard.
Results must not be used as the sole basis for any design, construction, manufacturing or safety decision. Any design that affects safety or property must be checked and approved by a qualified, licensed professional engineer.
No warranty
The site and its content are provided “as is” and “as available”, without warranties of any kind, express or implied, including accuracy, completeness, fitness for a particular purpose and non-infringement. We work to keep the calculators correct but do not guarantee that they are free of errors.
Limitation of liability
To the fullest extent permitted by law, Engineering Calc Tools and its owners will not be liable for any direct, indirect, incidental, consequential or special damages arising from your use of, or inability to use, the site or any result it produces.
Acceptable use
You may use the calculators freely for personal, academic and commercial work. You may not copy the site’s content wholesale, scrape it in a way that degrades service, or misrepresent results from this site as certified or code-compliant.
Content and links
The text, design and code of this site are owned by Engineering Calc Tools. The results you calculate are yours to use. The site shows third-party advertising and may link to other websites; we are not responsible for their content or practices.
Governing law
These terms are governed by the laws of the State of Colorado, United States, without regard to conflict-of-law rules.
Changes
We may update these terms. Continued use of the site after an update means you accept the revised terms.