Terms of use

Last updated: 1 November 2026

By using https://calcten.com you agree to these terms. If you do not agree, please do not use the site.

Use of the site

CalcTen is provided free for personal and commercial estimating. You may not misuse the site, attempt to disrupt it, scrape it at a scale that affects its performance, or copy substantial parts of its content without permission.

Intellectual property

The text, design, code and graphics on this site are owned by CalcTen unless stated otherwise. You may link to any page and quote short extracts with attribution.

No professional advice

Results and guides are estimates for general information. They are not engineering, architectural, legal or other professional advice. See our disclaimer.

Accuracy and availability

We work hard to keep the site accurate and available, but we provide it "as is" without warranties of any kind, and we may change or withdraw any part of it at any time.

Limitation of liability

To the extent permitted by law, we are not liable for any loss arising from use of, or reliance on, the site, including the cost of materials or work. Nothing in these terms limits liability that cannot be limited by law, including for death or personal injury caused by negligence, or your statutory rights as a consumer.

Third-party links and ads

We link to other websites and show advertising. We are not responsible for third-party content, products or services.

Changes and contact

We may update these terms; the date above shows the latest version. Questions: contact@calcten.com.