Terms of Use

Last updated: October 10, 2026

By using DIY Build Calc (the "Site"), you agree to these Terms of Use. If you do not agree, please do not use the Site.

Free service

The calculators on this Site are free to use. No account, subscription or payment is required.

Estimates only

All calculator results are estimates for general planning purposes. They are based on standard formulas and typical product figures, which may not match your specific products, materials, site conditions or installation methods. Always verify quantities with product labels, manufacturers or suppliers before purchasing. For structural, electrical, plumbing or other regulated work, consult a qualified professional and follow your local building codes.

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 or fitness for a particular purpose.

Limitation of liability

To the fullest extent permitted by law, DIY Build Calc is not liable for any loss or damage arising from your use of the Site or reliance on its results. This includes the cost of excess or insufficient materials.

Acceptable use

Do not misuse the Site. That includes trying to disrupt it, scraping it at a volume that degrades service, or using it for unlawful purposes.

Intellectual property

The text, design and code of this Site are owned by DIY Build Calc. You may share links to any page, and you may use calculator results freely for your own projects.

Third-party links and ads

The Site may contain links to third-party websites and may display advertising from third parties. We are not responsible for their content or practices.

Changes

We may update these Terms at any time. Continued use of the Site after changes means you accept the updated Terms.

Contact

Questions about these Terms? Use our contact form.