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Terms and Conditions of Use

Last Revised: September 21, 2026

1. Agreement to Terms

By accessing or using the USA Calculator Portal (https://usacalculatorportal.com/), you agree to be bound by these Terms and Conditions and all applicable federal, state, and local laws. If you do not agree with any of these terms, you are prohibited from using or accessing this site.

2. Permitted Use License

Permission is granted to temporarily use the materials and calculation scripts on USA Calculator Portal for personal, commercial, non-commercial, or educational estimation purposes. Under this license you may not:

  • Modify or copy the underlying proprietary source code or design system;
  • Use automated scraping bots, spiders, or scrapers to extract data without explicit written consent;
  • Attempt to decompile or reverse engineer any software contained on the website;
  • Mirror or frame the website materials on any other server without prior authorization.

3. Disclaimer of Warranties

The materials and computational tools on USA Calculator Portal are provided on an 'AS IS' basis without warranties of any kind, either expressed or implied. USA Calculator Portal disclaims all other warranties including, without limitation, implied warranties of merchantability, fitness for a particular construction, engineering, payroll, or medical purpose, or non-infringement of intellectual property.

While our algorithms are constructed according to industry standards, actual building site conditions, regional aggregate densities, local labor agreements, and individual physiological responses vary.

4. Limitations of Liability

In no event shall USA Calculator Portal, its owners, developers, or suppliers be liable for any damages (including, without limitation, damages for loss of profit, business interruption, construction shortages, contractor overages, payroll miscalculations, back-wage claims, or physical injury resulting from athletic testing) arising out of the use or inability to use the calculation tools on this website, even if notified orally or in writing of the possibility of such damage.

5. Revisions and Errata

The materials appearing on USA Calculator Portal could include technical, typographical, or mathematical errors. USA Calculator Portal does not warrant that any of the materials on its website are accurate, complete, or current. We may make changes to the formulas, calculators, and documentation at any time without notice.

6. Links to External Websites

USA Calculator Portal has not reviewed all of the sites linked to its Internet website and is not responsible for the contents of any such linked site. The inclusion of any link does not imply endorsement by USA Calculator Portal. Use of any such linked website is at the user's own risk.

7. Governing Law

Any claim relating to USA Calculator Portal shall be governed by the laws of the State of Texas without regard to its conflict of law provisions.

8. Contact Information

If you have any questions regarding these Terms, please reach out to us at legal@usacalculatorportal.com.

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USA Calculators

Providing precision engineering, labor payroll, and physiological calculation tools built to American industry and statutory standards.

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