Backyard Math
Terms of Use
Review the terms that apply when using Backyard Math and its project estimating tools.
Last updated: June 15, 2026
Acceptance of these terms
By using Backyard Math, you agree to these Terms of Use. If you do not agree with these terms, do not use this website.
Planning estimates only
The calculators and content on this website are provided for general informational and planning purposes only. Results are estimates and may not reflect your exact project conditions, local requirements, material specifications, installation methods, or supplier measurements.
No professional advice
Backyard Math does not provide engineering, architectural, construction, landscaping, legal, safety, or professional advice. You are responsible for verifying all measurements, calculations, materials, installation requirements, codes, permits, and safety considerations before beginning a project.
User responsibility
You are responsible for how you use the information and estimates provided by this website. Always confirm product coverage, bag yields, material density, dimensions, and installation requirements with your supplier, contractor, manufacturer, or qualified professional.
Accuracy of information
We aim to provide useful and reasonable estimates, but we do not guarantee that any calculator, formula, result, content, or recommendation will be accurate, complete, current, or suitable for your specific project.
Limitation of liability
To the fullest extent permitted by law, Backyard Math and its owners shall not be liable for any losses, damages, injuries, costs, material shortages, overages, project delays, construction defects, or other issues resulting from use of this website.
Third-party links
This website may include links to third-party websites, products, services, or retailers. We are not responsible for third-party content, pricing, availability, policies, or practices.
Changes to these terms
These Terms of Use may be updated from time to time. Continued use of the website after changes are posted means you accept the updated terms.