Terms of Service
Effective Date: April 16, 2026
Welcome to ProGradeCalculators.com. By accessing or using our website and tools, you agree to comply with and be bound by the following terms and conditions. If you do not agree to these terms, please do not use our services.
1. Use of Calculators and Tools
The calculators and content provided on this website are for informational and estimation purposes only. While we strive for excellence and mathematical accuracy, the results provided are not a substitute for professional engineering, architectural, or construction advice.
2. Legal Disclaimer & Limitation of Liability
A. Estimates Only: All calculations are estimates based on user-provided inputs and standard mathematical formulas. Real-world site conditions—including but not limited to soil density, irregular excavation, moisture content, and material variations—can and will affect the actual volume of concrete or materials required.
B. "10% Waste Factor" Acknowledgment: Our tools suggest a 10% waste buffer to account for common site variables. However, this is a guideline only. Users are responsible for verifying all material orders with their local suppliers.
C. Assumption of Risk: By using these tools, you acknowledge that any construction project involves inherent risks. ProGradeCalculators.com and its owners shall not be held liable for any structural failures, financial losses, personal injury, or material shortages resulting from the use of our calculations or guides.
D. Professional Verification: We strongly recommend that all critical measurements and structural plans be verified by a licensed professional or reviewed against local building codes before beginning construction or pouring concrete.
3. Intellectual Property
All content on this site, including text, custom HTML code, graphics, and technical diagrams, is the property of ProGradeCalculators.com and is protected by copyright laws. You may not reproduce, distribute, or "scrape" our content or code without express written permission.
4. Third-Party Links
Our website contains links to external guides and resources. We are not responsible for the content or accuracy of third-party websites.
5. Changes to Terms
We reserve the right to modify these terms at any time. Your continued use of the site following any changes constitutes your acceptance of the new Terms of Service.
6. Governing Law
These terms are governed by and construed in accordance with the laws of the State of North Carolina, without regard to its conflict of law principles.
7. Contact Us
If you have any questions about these Terms, please contact us via our Contact Page at: