Free Concrete AASHTO I-Beam 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
Top Width (b1)
b1
mm
Fillet Width (b2)
b2
mm
Web Width (b3)
b3
mm
Bottom Width (b4)
b4
mm
Top Depth (d1)
d1
mm
Top Slope Depth (d2)
d2
mm
Bottom Slope Depth (d3)
d3
mm
Bottom Depth (d4)
d4
mm
Section Properties Results
Property
Sym
Value
Unit
Cross-sectional Area
A
310000
mm²
Centroid location (X-axis)
xc
250
mm
Centroid location (Y-axis)
yc
443.0108
mm
Strong Moment of Inertia
Ix
32117148297.491
mm⁴
Weak Moment of Inertia
Iy
3829947916.6667
mm⁴
Strong Elastic Modulus
Sx
57662061.6152
mm³
Weak Elastic Modulus
Sy
15319791.6667
mm³
Strong Radius of Gyration
rx
321.8753
mm
Weak Radius of Gyration
ry
111.1516
mm
Polar Moment of Inertia
J
35947096214.1577
mm⁴
🔍 Detailed Step-by-Step Derivation
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