Softwood Lumber - Standard Sizes

Nominal and minimum-dressed lumber sizes.

Sponsored Links

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

Item	Thickness			Face Widths
	Nominal	Minimum Dressed		Nominal	Minimum Dressed
	Nominal	Dry (max 19% moisture content) (inches)	Green (inches)	Nominal	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 Documents

Board Feet Chart and Calculator - Board feet is used as a volume measurement of lumber.
Fire Wood - the Cord - The cord unit for purchasing fuel wood.
Hardwood and Softwood Species - Species of hardwood vs. softwood.
Lumber - Surface Finishing - Lumber and surface finishing abbreviations.
Lumber - Weights - Weights of green, kiln dried and pressure treated lumber boards.
Softwood Lumber - Grading - Rough lumber, surfaced lumber (dressed), worked lumber, shop and factory lumber and yard lumber.
Structural Lumber - Properties - Properties of structural lumber.
Wood - Densities of Various Species - Densities of various wood species - apple, ash, cedar, elm and more.
Wood Species - Moisture Content and Weight - Weight of green and air-dried fire wood.

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 the amazing, fun and free SketchUp Make and SketchUp Pro .Add the Engineering ToolBox extension to your SketchUp from the SketchUp Pro Sketchup Extension Warehouse!

Privacy

We don't collect information from our users. Only emails and answers are saved in our archive. Cookies are only used in the browser to improve user experience.

Some of our calculators and applications let you save application data to your local computer. These applications will - due to browser restrictions - send data between your browser and our server. We don't save this data.

Google use cookies for serving our ads and handling visitor statistics. Please read Google Privacy & Terms for more information about how you can control adserving and the information collected.

AddThis use cookies for handling links to social media. Please read AddThis Privacy for more information.

Softwood Lumber - Standard Sizes

Nominal and minimum-dressed lumber sizes.

Related Topics

Related Documents

Engineering ToolBox - SketchUp Extension - Online 3D modeling!

Privacy

Advertise in the ToolBox

Citation

Scientific Online Calculator