About Lumber Reference

About This Website

Lumber Reference provides quick reference information about common U.S. dimensional lumber sizes, including nominal sizes, actual dimensions, and approximate metric measurements.

The goal is to make commonly searched lumber dimensions easier to find and understand without requiring users to search through multiple sources.

What You Can Find Here

• Common lumber size charts
• Nominal and actual lumber dimensions
• Lumber dimensions in millimeters
• Individual size references such as 2x4, 2x6, and 4x4
• Answers to common lumber size questions

Reference Information

Lumber dimensions can vary depending on the product, species, grade, moisture condition, manufacturing process, and applicable standards. The information on this website is intended as a general reference. For projects requiring exact dimensions, always verify the specifications of the actual lumber product.

Contact

If you find an error or have a suggestion regarding the information on this website, please use the contact method provided by the website operator.