Free Double Channel Moment of Inertia & 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
Web Thickness (tw)
tw
mm
Separation (dis)
dis
mm
Section Properties Results
Property
Sym
Value
Unit
Cross-sectional Area
A
4899
mm²
Centroid location (X-axis)
xc
0
mm
Centroid location (Y-axis)
yc
90
mm
Strong Moment of Inertia
Ix
26338718.25
mm⁴
Weak Moment of Inertia
Iy
7275708.25
mm⁴
Strong Elastic Modulus
Sx
292652.425
mm³
Weak Elastic Modulus
Sy
90946.3531
mm³
Strong Radius of Gyration
rx
73.3236
mm
Weak Radius of Gyration
ry
38.5375
mm
Polar Moment of Inertia
J
33614426.5
mm⁴
🔍 Detailed Step-by-Step Derivation
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