Grades standardize the quality of lumber at different levels and are based on moisture content, size and manufacture at the time of grading, shipping and unloading by the buyer.

Mar 18, 2023 · Dimensional lumber is cut to a specific length, width, and depth. However, there is a difference between the nominal size (what the lumber is referred to) and the actual size. The tables …

Jan 6, 2025 · Common standard sizes for dimensional lumber in the United States include 2×4, 2×6, 2×8, 2×10, and 2×12, with lengths typically ranging from 8 feet to 16 feet.

Feb 22, 2025 · A comprehensive chart that shows nominal lumber dimensions and their actual sizes in inches and millimeters. I also explain why they are different.

Jun 13, 2025 · Choose the right lumber sizes for your project. Learn the difference between actual and nominal lumber sizes at Lowes.com.

Oct 13, 2025 · Dimensional lumber has differing nominal and actual width dimensions—for the same-sized board. Because of the thickness of the saw blade and other milling processes, the resulting two …

Confused by lumber sizes? Learn the difference between nominal lumber sizes and dimensional lumber sizes with easy-to-read charts, conversion tools, and expert tips.

Mar 29, 2025 · In the United States, lumber is sold by nominal dimensions, which differ from its actual size due to the milling process. Below, we provide a comprehensive guide to standard lumber …

Aug 7, 2023 · In this article, we will delve into the world of timber sizes, including planed timber, imperial and metric measurements, and the difference between nominal and actual sizes.

Aug 16, 2025 · When buying lumber, the size on the label is the nominal size – not the actual measurement. This often leads to confusion and framing mistakes. After milling and drying, the wood …