Dimension lumber (2" to 4")

4x16

Standard: DOC PS 20 / NDS SupplementSource: Nominal → actual dry sizes (PS 20), calculated
xyb = 3.5d = 15.25
Cross-section, to scaledimensions in inches

Dimensions

Depthd
15.25in
Widthb
3.5in

Mass and area

Cross-sectional areaA
53.37in²
Outside perimeterP
37.5in

Strong axis x–x

Moment of inertiaIx
1,034in⁴
Elastic section modulusSx
135.7in³
Plastic section modulusZx
203.5in³
Radius of gyrationrx
4.402in

Weak axis y–y

Moment of inertiaIy
54.49in⁴
Elastic section modulusSy
31.14in³
Plastic section modulusZy
46.7in³
Radius of gyrationry
1.01in

Torsion and stability

Torsional constantJ
186.4in⁴

Equivalents in other standards