Individual pieces of lumber exhibit a wide range in quality and appearance with respect to knots, slope of grain, shakes and other natural characteristics. Therefore, they vary considerably in strength, utility …

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 …

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

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.

Complete lumber sizes chart showing nominal vs actual dimensions. Learn why 2×4 is actually 1.5"×3.5" and see all standard lumber sizes with common uses.

Oct 23, 2025 · This chart depicts the difference between nominal and actual lumber sizes. It is a guide to help you identify the dimensions of lumber, plan your lumber cuts and construction needs.

Apr 16, 2025 · In construction across the USA, one of the most crucial materials used is lumber, which comes in various sizes. Knowing the standard lumber sizes is essential for builders, contractors, and …

Get a complete dimensional lumber size chart, including nominal vs actual sizes in inches and millimeters. Learn why lumber sizes differ and how to pick the right board.

Find the measurable difference between nominal and actual lumber dimensions. Check out our easy-to-read chart to see the differences in lumber measurements.

To make things easier, we’ve compiled a lumber size chart with the most common nominal and actual sizes used in shelving projects. This chart applies to dimensional lumber found at most hardware …