Copyright Notice

What's protected, what you can reuse, and how to ask permission.

Our Copyright

The website's original text, code, CSS, JavaScript, illustrations, charts, and arrangement of forestry data are the intellectual property of LogBoardFeetCalculator.com. They are protected by copyright laws in the United States, the European Union, India, Pakistan, the Philippines, and other countries party to the Berne Convention.

What You May Do Without Permission

Use the calculator for any personal or commercial purpose. Results belong to you.
Quote short excerpts (under 100 words) with a visible attribution and a link back to the source page.
Link to any page on this site from your website, blog, social media, or document.
Print pages for personal reference or classroom handouts.

What Requires Permission

Republishing entire articles or sections.
Translating content into other languages for public distribution.
Embedding the calculator on another website (we may grant permission — please ask).
Using our logo, brand name, or distinctive design elements in marketing.
Training machine-learning models on the site's content.

Public-Domain Content

The mathematical formulas for board feet (T × W × L ÷ 12), Doyle (1837), Scribner (1846), International ¼-inch (1906), and Smalian's formula are in the public domain. The way we explain, illustrate, and apply them is our copyrighted expression.

DMCA / Takedown Requests

If you believe content on this site infringes your copyright, please send a notice including: (1) identification of the copyrighted work, (2) the URL of the infringing material, (3) your contact details, (4) a statement of good-faith belief that the use is unauthorised, and (5) your signature.

Send to hello@logboardfeetcalculator.com.

Permission Requests

For anything not covered above, write to hello@logboardfeetcalculator.com with a brief description of the intended use. We usually say yes to non-commercial educational uses.