Dimension
Popular
2x4 Lumber
Last updated May 2026 · Reviewed by Lumberama Editorial Team
Dimensions
Nominal Size:2" × 4"
Actual Size:1.5" × 3.5"
Specifications
Board Feet / Lin Ft:0.667
Weight / Lin Ft:0.89 lbs
Common Uses
Wall framing, studs, plates, headers, general construction, decking substructure
Available Lengths
8 ft
10 ft
12 ft
14 ft
16 ft
20 ft
About 2x4 Lumber
The 2x4 is the backbone of American construction. Used in wall framing, roof trusses, and countless DIY projects, the 2x4 is the most commonly purchased piece of lumber in the United States.