Last updated: August 2026
By using Roof Pitch Tools you agree to these Terms of Use. If you do not agree, please do not use the tools.
This website provides free, browser-based calculators for estimating roof pitch, angle, surface area, rafter lengths and basic material quantities. All calculations are performed on your device.
The results are estimates only and are provided for educational and general planning purposes. They do not constitute professional engineering, architectural or construction advice. Building codes, structural requirements, safety regulations and material specifications vary by location and project. Always consult a qualified professional before making decisions based on these estimates.
To the fullest extent permitted by law, the operators of this site accept no liability for any loss, damage, injury or cost arising from the use of, or reliance on, the calculators or their results. You use the tools entirely at your own risk.
While we aim for accuracy, we do not guarantee that the calculations are error-free or suitable for any particular purpose. Users should independently verify all results.
The design, text and code of this website are protected by copyright. You may use the calculators for personal or internal business purposes. You may not copy, scrape or republish the tools or their content without permission.
We may update these Terms from time to time. Continued use of the site after changes constitutes acceptance of the revised Terms.