Dimension lumber (2" to 4")

4x10

Standard: DOC PS 20 / NDS SupplementSource: Nominal → actual dry sizes (PS 20), calculated
xyb = 3.5d = 9.25
Cross-section, to scaledimensions in inches

Dimensions

Depthd
9.25in
Widthb
3.5in

Mass and area

Cross-sectional areaA
32.38in²
Outside perimeterP
25.5in

Strong axis x–x

Moment of inertiaIx
230.8in⁴
Elastic section modulusSx
49.91in³
Plastic section modulusZx
74.87in³
Radius of gyrationrx
2.67in

Weak axis y–y

Moment of inertiaIy
33.05in⁴
Elastic section modulusSy
18.89in³
Plastic section modulusZy
28.33in³
Radius of gyrationry
1.01in

Torsion and stability

Torsional constantJ
100.7in⁴

Equivalents in other standards