The rules for using rafter-calculator.com rafter calculator and carpentry layout tools. These terms govern your relationship with Rafter Calculator Pro — please read them before you start cutting.
Rafter Calculator Pro (the "Company") provides rafter calculator and carpentry layout tools on rafter-calculator.com (the "Website") for carpenters, contractors, builders, and DIY users. By using the Website in any way, you agree to comply with these Terms of Service. If you object to any term or condition here, or any guideline on the Website, your only recourse is to immediately stop using the Website.
We reserve the right to change, modify, or alter these Terms of Service at any time at our sole discretion. Such changes take effect immediately upon posting. The latest version is always linked from the footer of the Website. You should check the Terms periodically for any changes.
You agree not to post any text, files, images, or other material (“Content”) or use the Website in any way that:
Unless you receive explicit permission, you agree not to copy, duplicate, reproduce, sell, resell, or exploit any part of the Website for commercial purposes. A business that lists itself or purchases advertising or services (“Customer”) may manage its listing or purchased services as long as it does not violate the Acceptable Use terms above.
Please review our Privacy Policy for detailed information on how the Company collects, discloses, and uses information. Use of the Website is subject to your agreement to both the Privacy Policy and these Terms. The rafter measurements you enter (pitch, span, overhang, rafter depth, and so on) are processed locally in your browser and are not stored on our servers unless you explicitly save or share them.
This Website and some of its content contain links to other resources on the internet related to carpentry, lumber, roofing, and building codes. These links are provided as aids to help you find other useful resources, and are not intended to imply that the Company sponsors, endorses, or is affiliated with those sites, or that it authorizes the use of any trade names, trademarks, logos, or seals that may appear in them. Rafter calculations on our Website may be affected by input accuracy, lumber sizing (nominal versus actual), and local conditions. If you find information or a calculation you believe is incorrect, please contact us with specific details and we will investigate and update it to the extent our sources allow.
The Company may set limitations on your use of the Website, including the number of times you may access it. Limitations may include complete termination of your access, and you agree that the Company has the right, at any time and in its sole discretion, with or without notice, to modify or discontinue the Website (or any part of it).
The Website and its rafter calculator services are provided “as is” without any warranty of any kind, including but not limited to warranties that it is defect-free, error-free, virus-free, merchantable, or fit for a particular project. Your use is at your own risk. Calculations are for planning and educational purposes only and should not be relied upon for critical structural decisions without verification against span tables and local code.
In no event shall the Company be liable for any direct, indirect, incidental, special, or consequential damages arising from your use of the Website, including damages from inability to use the Service, interruption or termination of the Service, material waste, or errors in calculations.
These Terms of Service shall be governed by the laws of the United States, without regard to its conflict of laws provisions. You and the Company agree to submit to the personal and exclusive jurisdiction of the courts located within the United States.
If any term of these Terms of Service is found to be invalid or unenforceable by a court of competent jurisdiction, that finding shall not affect the validity and enforceability of such term in other jurisdictions, nor the validity of the remaining terms. The failure of the Company to exercise any right provided here shall not be deemed a waiver of any further rights under this Agreement.
You agree that monetary damages may be inadequate to remedy any breach of this Agreement, and the Company shall be entitled to seek injunctive or equitable relief as deemed appropriate by a court of competent jurisdiction, without waiving any other rights or remedies.
These Terms of Service constitute the entire agreement between you and the Company governing your use of the Website, and supersede any prior agreements between you and the Company.
Our team is ready to clarify any part of these terms. We want you to use the rafter calculator with confidence — and to know exactly where its limits are.
Contact SupportRafter inputs stay in your browser. See our Privacy Policy for the details.
Free for carpenters and DIYers. No scraping, no reselling the tool’s output as engineered plans.
Available globally, governed by the laws of the United States.
Use of rafter-calculator.com means you agree to comply with these Terms of Service. Rafter Calculator Pro may modify these terms at any time; your continued use after changes are posted means you accept the updated terms.