Engineering ToolBox - Resources, Tools and Basic Information for Engineering and Design of Technical Applications!

Softwood Lumber - Standard Sizes

Nominal and minimum-dressed lumber sizes.

Softwood lumber standard sizes applied to boards, dimensional lumber and timber:

Softwood Lumber - Standard Sizes
ItemThicknessFace Widths
NominalMinimum DressedNominalMinimum Dressed
Dry
(max 19% moisture content)
(inches)
Green
(inches)
Dry
(max 19% moisture content)
(inches)
Green
(inches)
Boards       2 1 1/2 1 9/16
      3 2 1/2 2 9/16
      4 3 1/2 3 9/16
3/8 5/16 11/32 5 4 1/2 4 5/8
1/2 7/16 15/32 6 5 1/2 5 5/8
5/8 9/16 19/32 7 6 1/2 6 5/8
3/4 5/8 11/16 8 7 1/4 7 1/2
1 3/4 25/32 9 8 1/4 8 1/2
1 1/4 1 1 1/32 10 9 1/4 9 1/2
1 1/2 1 1/4 1 9/32 11 10 1/4 10 1/2
      12 11 1/4 11 1/2
      14 13 1/4 13 1/2
      16 15 1/4 15 1/2
Dimension       2 1 1/2 1 9/16
      2 1/2 2 2 1/16
      3 2 1/2 2 9/16
2 1 1/2 1 9/16 3 1/2 3 3 1/16
2 1/2 2 2 1/16 4 3 1/2 3 9/16
3 2 1/2 2 9/16 4 1/2 4 4 1/16
3 1/2 3 3 1/16 5 4 1/2 4 5/8
4 3 1/2 3 9/16 6 5 1/2 5 5/8
4 1/2 4 4 1/16 8 7 1/4 7 1/2
      10 9 1/4 9 1/2
      12 11 1/4 11 1/2
      14 13 1/4 13 1/2
      16 15 1/4 15 1/2
Timbers 5 & 6 thick 1/2 off 1/2 off 5 & 6 wide 1/2 off 1/2 off
7 - 15 thick 3/4 off 1/2 off 7 - 15 wide 3/4 off 1/2 off
>= 16 thick 1 off 1/2 off >= 16 wide 1 off 1/2 off
  • 1 in (inch) = 25.4 mm

Related Topics

  • Material Properties

    Properties of gases, fluids and solids. Densities, specific heats, viscosities and more.

Related Documents

Search

Search is the most efficient way to navigate the Engineering ToolBox.

Engineering ToolBox - SketchUp Extension - Online 3D modeling!

3D Engineering ToolBox Extension to SketchUp - add parametric components to your SketchUp model

Add standard and customized parametric components - like flange beams, lumbers, piping, stairs and more - to your Sketchup model with the Engineering ToolBox - SketchUp Extension - enabled for use with older versions of the amazing SketchUp Make and the newer "up to date" SketchUp Pro . Add the Engineering ToolBox extension to your SketchUp Make/Pro from the Extension Warehouse !

Translate this Page

Translate this page to Your Own Language .

About the Engineering ToolBox!

Privacy Policy

We don't collect information from our users. More about

We use a third-party to provide monetization technologies for our site. You can review their privacy and cookie policy here.

You can change your privacy settings by clicking the following button: .

Citation

This page can be cited as

  • The Engineering ToolBox (2007). Softwood Lumber - Standard Sizes. [online] Available at: https://www.engineeringtoolbox.com/softwood-lumber-standard-d_1270.html [Accessed Day Month Year].

Modify the access date according your visit.

3D Engineering ToolBox - draw and model technical applications! 2D Engineering ToolBox - create and share online diagram drawing templates! Engineering ToolBox Apps - mobile online and offline engineering applications!

Unit Converter


















































12.6.9

.