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

This is an AMP page - Open full page! for all features.

the most efficient way to navigate the Engineering ToolBox!

Structural Lumber - Section Sizes

Basic size, area, moments of inertia and section modulus for timber - metric units.

Sponsored Links

Structural Lumber Properties - Imperial units

Size	Area	Section Modulus		Area Moment of Inertia		Radius of Gyration
Size	Area	S_xx	S_yy	I_xx	I_yy	r_xx	r_yy
(mm x mm)	(10² mm²)	(10³ mm³)	(10³ mm³)	(10⁶ mm⁴)	(10⁶ mm⁴)	(mm)	(mm)
100 x 38	38	63.3	24.1	3.17	0.46	28.9	11.0
100 x 50	50	83.3	41.7	4.17	1.04	28.9	14.4
100 x 63	63	105	66.2	5.25	2.08	28.9	18.2
100 x 75	75	125	93.8	6.25	3.52	28.9	21.7
100 x 100	100	167	167	8.33	8.33	28.9	28.9

150 x 38	57	143	36.1	10.7	0.69	43.3	11.0
150 x 50	75	188	62.5	14.1	1.56	43.3	14.4
150 x 63	94	236	99.2	17.7	3.13	43.3	18.2
150 x 75	112	281	141	21.1	5.27	43.3	21.7
150 x 100	150	375	250	28.1	12.5	43.3	28.9
150 x 150	225	563	563	42.2	42.2	43.3	43.3

175 x 38	66	194	42.1	17.0	0.80	50.5	11.0
175 x 50	87	255	72.9	22.3	1.82	50.5	14.4
175 x 63	110	322	116	28.1	3.65	50.5	18.2
175 x 75	131	383	164	33.5	6.15	50.5	21.7

200 x 38	76	253	48.1	25.3	0.91	57.7	11.0
200 x 50	100	333	83.3	33.3	2.08	57.7	14.4
200 x 63	126	420	132	42.0	4.17	57.7	18.2
200 x 75	150	500	188	50.0	7.03	57.7	21.7
200 x 100	200	667	333	66.7	16.7	57.7	28.9
200 x 150	300	1000	750	100	56.3	57.7	43.3
200 x 200	400	1333	1333	133	133	57.7	57.7

225 x 38	85	321	54.2	36.1	1.03	65.0	11.0
225 x 50	112	422	93.8	47.5	2.34	65.0	14.4
225 x 63	141	532	149	59.8	4.69	65.0	18.2
225 x 75	168	633	211	71.2	7.91	65.0	21.7

250 x 50	125	521	104	65.1	2.60	72.2	14.4
250 x 75	187	781	234	97.7	8.79	72.2	21.7
250 x 100	250	1042	417	130	20.8	72.2	28.9
250 x 250	625	2604	2604	326	326	72.2	72.2

Sponsored Links

Related Topics

Beams and Columns - Deflection and stress, moment of inertia, section modulus and technical information of beams and columns.
Material Properties - Material properties of gases, fluids and solids - densities, specific heats, viscosities and more.

Related Documents

Area Moment of Inertia - Typical Cross Sections I - Typical cross sections and their Area Moment of Inertia.
Area Moment of Inertia Converter - Convert between Area Moment of Inertia units.
Board Feet Chart and Calculator - Board feet is used as a volume measurement of lumber.
Glue-Laminated Timber - Dimensions - Common sizing of glue-laminated timber.
Hardwood and Softwood Species - Species of hardwood vs. softwood.
Hardwood Lumber - Dimensions - Sizing of hardwood lumber.
Horizontal Roof Rafters - Maximum Spans - Douglas Fir in horizontal roof rafters and maximum spans.
Lumber - Weights - Weights of green, kiln dried and pressure treated lumber boards.
Mass Moment of Inertia - The Mass Moment of Inertia vs. mass of object, it's shape and relative point of rotation - the Radius of Gyration.
Maximum Floor Joist Span - No. 1 and No. 2 Grade of Douglas fir and maximum span floor joists - imperial units
Radius of Gyration in Structural Engineering - Radius of gyration describes the distribution of cross sectional area in columns around their centroidal axis.
Softwood and Hardwood - Structural Strength Classes - Strength classes, bending stress and mean density of hardwood and softwood
Softwood Lumber - Dimensions - Commercial softwood lumber dimension chart - nominal and actual sizes.
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 Beams - Strength of Material - Bending and compression strength of wood species used in beams.
Wood Hardness - Soft and hardwood - the Janka Hardness scale.
Wood, Panel and Structural Timber Products - Mechanical Properties - Density, fibre stress, compressive strength and modulus of elasticity of clear wood, panel and structural timber products.
Young's Modulus, Tensile Strength and Yield Strength Values for some Materials - Young's Modulus (or Tensile Modulus alt. Modulus of Elasticity) and Ultimate Tensile Strength and Yield Strength for materials like steel, glass, wood and many more.

Sponsored Links

Share

Search Engineering ToolBox

the most efficient way to navigate the Engineering ToolBox!

SketchUp Extension - Online 3D modeling!

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 Extension Warehouse!

About Engineering ToolBox!

Contact - Citation - Copyrights - Advertising - Warranty and Liability

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.

Advertise in the ToolBox

If you want to promote your products or services in the Engineering ToolBox - please use Google Adwords. You can target the Engineering ToolBox by using AdWords Managed Placements.