Free Cold-Formed Z-Purlin Properties Calculator
Compute Area, Centroid, Moment of Inertia, Elastic and Plastic Section Moduli, and Radius of Gyration instantly. Enter dimensions manually or load standard steel databases.
⚙ Configuration
Section Geometry
Steel
Cold-Formed
Concrete
I-Section
Channel
T-Section
Angle
Double Angle
Box Section
Pipe
Dbl Channel
Builtup I Cov
Hybrid I
Hybrid U
Unit System
mm
cm
m
in
ft
No pre-loaded standard profiles in this category.
Dimension Settings
Depth/Diameter (t3)
t3
mm
Width (t2)
t2
mm
Thickness (tf)
tf
mm
Corner Radius (radius)
radius
mm
Lip Depth (lip)
lip
mm
Section Properties Results
Property
Sym
Value
Unit
Cross-sectional Area
A
161
mm²
Centroid location (X-axis)
xc
0
mm
Centroid location (Y-axis)
yc
0
mm
Strong Moment of Inertia
Ix
146764.75
mm⁴
Weak Moment of Inertia
Iy
48166.6667
mm⁴
Strong Elastic Modulus
Sx
3913.7267
mm³
Weak Elastic Modulus
Sy
1376.1905
mm³
Strong Radius of Gyration
rx
30.1924
mm
Weak Radius of Gyration
ry
17.2966
mm
Polar Moment of Inertia
J
194931.4167
mm⁴
Max Principal Inertia
Iu
177939.6491
mm⁴
Min Principal Inertia
Iv
16991.7676
mm⁴
Principal Axis Angle
θp
-26.1108
°
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