Terms of Use

Effective date: October 7, 2026

By using DIY Material Math (the "Site") you agree to these terms. If you don't agree, please don't use the Site.

Estimates only

The calculators and articles on this Site provide general estimates for planning purposes. They are not professional engineering, architectural, construction or legal advice. Actual material needs depend on your measurements, site conditions, products and installation methods. Always verify quantities with your supplier, follow manufacturer instructions and comply with local building codes. For structural work, consult a licensed professional.

No warranty

The Site is provided "as is" and "as available" without warranties of any kind, express or implied, including accuracy, completeness, fitness for a particular purpose or non-infringement.

Limitation of liability

To the fullest extent permitted by law, DIY Material Math and its operators are not liable for any direct, indirect, incidental, consequential or other damages arising from your use of, or reliance on, the Site, including the cost of excess or insufficient materials.

Intellectual property

The Site's content, design and code are owned by DIY Material Math and protected by copyright. You may use the calculators for personal and commercial project planning, and you may link to any page. You may not republish substantial portions of the content without permission.

Third-party links and ads

The Site contains advertising and links to third-party websites. We are not responsible for their content, products or practices.

Changes

We may update these terms at any time. Continued use of the Site after a change means you accept the updated terms.

Contact

contact@diymaterialmath.com