Jun 29, 2020 · 2x4 and 2x6 boards lose 1/2 inch in thickness and 1/2 inch in width before leaving the mill. That means a 2 x 4 board is actually 1-1/2 inches by 3-1/2 inches. The larger 2x …

The following data is standard reference and size data for commercially available lumber within the USA. All data is in imperial units (Inches).

The table below provides some common North American Lumber nominal sizes and their equivalent actual size. For example, 1x8 actual size is 3/4" x 7-1/4", and 2 x 12 actual size is 1 …

May 3, 2023 · Standard sizes for dimensional lumber range from 2″ x 4″ to 2″ x 12″. However, sizing is nominal, and the actual sizes of the lumber are typically 1/2″ to 3/4″ smaller.

Do you want to know why a 2x4 is not actually 2" by 4"? This post will explain the difference between actual and nominal lumber dimensions.

Jul 22, 2022 · Choose the right lumber sizes for your project. Learn the difference between actual and nominal lumber sizes at Lowes.com.

5 days ago · Understanding the True Dimensions of 2×12 Lumber. When working with construction-grade lumber, it’s essential to recognize the difference between nominal and …

Feb 24, 2025 · The nominal size chart is used when determining lumber dimensions in millimeters and inches. The actual size chart, on the other hand, is a measurement that takes into account …

Lumber is generally sized according to thickness, as in the case of rough sawn lumber, or in specific widths, thicknesses and/or lengths as in the case of dimensional lumber. Here we will …

Dec 24, 2024 · While the nominal size of 2×12 refers to the rough dimensions of 2 inches by 12 inches, the actual size is 1.5 inches by 11.25 inches. This difference is due to the planing and …