Terms of use
Last updated October 9, 2026
By using Trowelly you agree to these terms. If you do not agree, please do not use the site.
Free, as-is service
The calculators and content are provided free of charge, “as is” and “as available”, without warranties of any kind, whether express or implied, including fitness for a particular purpose and accuracy. We work hard to keep the formulas correct, but we do not guarantee that any result is accurate, complete or suitable for your project.
Your responsibility
You are responsible for checking measurements and quantities, following manufacturers’ instructions, and complying with building codes, permits, property lines and safety requirements. Results are not professional, engineering or legal advice. For structural work, consult a qualified professional. Read the disclaimer.
Limitation of liability
To the fullest extent permitted by law, Trowelly and its operators are not liable for any loss or damage arising from your use of the site or reliance on its results, including over- or under-ordering materials, project delays or property damage.
Acceptable use
Do not attempt to disrupt the site, access it by automated means at a rate that degrades service for others, or copy substantial parts of its content for republication without permission. Linking to any page is welcome.
Intellectual property
The site’s text, design and code are owned by Trowelly. You may print or save results for your own projects.
Changes
We may update these terms. The date above shows when they last changed; continuing to use the site means you accept the current terms.
Contact
Questions about these terms: info@trowelly.com.