Terms of Use
Last updated: April 2025
Estimates only
All calculator results on DIY Project Calc are rough estimates intended for personal planning. They are not a substitute for professional engineering, design, or trade advice. Project requirements vary based on local codes, site conditions, and materials.
Consult a professional
Always consult a licensed contractor, HVAC technician, structural engineer, or other relevant professional before purchasing materials, pulling permits, or beginning a project. Local building codes and permitting requirements take precedence over any number this site produces.
No liability
DIY Project Calc and its operators are not liable for any costs, damages, injuries, or losses resulting from decisions made based on calculator results or any other content on this site. You assume full responsibility for your project decisions.
No warranty on accuracy
We make no representations or warranties about the accuracy, completeness, or suitability of any results or information on this site. Calculations are provided "as is" without any guarantee.
Affiliate disclosure
DIY Project Calc participates in the Amazon Associates program and may also link to The Home Depot and other retailer affiliate programs. We may earn a commission when you click an affiliate link and make a qualifying purchase, at no additional cost to you. This helps keep the site free to use.
Personal use only
By using this site you agree to use the calculators and content for personal project planning purposes only. Automated scraping, republishing, or commercial redistribution of site content is not permitted without written consent.