Dimension lumber (2" to 4")

3x14

Standard: DOC PS 20 / NDS SupplementSource: Nominal → actual dry sizes (PS 20), calculated
xyb = 2.5d = 13.25
Cross-section, to scaledimensions in inches

Dimensions

Depthd
13.25in
Widthb
2.5in

Mass and area

Cross-sectional areaA
33.12in²
Outside perimeterP
31.5in

Strong axis x–x

Moment of inertiaIx
484.6in⁴
Elastic section modulusSx
73.15in³
Plastic section modulusZx
109.7in³
Radius of gyrationrx
3.825in

Weak axis y–y

Moment of inertiaIy
17.25in⁴
Elastic section modulusSy
13.8in³
Plastic section modulusZy
20.7in³
Radius of gyrationry
0.7217in

Torsion and stability

Torsional constantJ
60.81in⁴

Equivalents in other standards