
Moment of Inertia, Section Modulus, Radii of Gyration Equations
Channel Sections 
Moment of Inertia, Section Modulus, Radii of Gyration Equations Channel Sections
A = 
Area (in^{2}, mm^{2}) 
I = 
Moment of Inertia (in^{4}, mm^{4}) 
G_{r} = 
Radius of Gyration = (in, mm) 
y = 
Distance of Axis to Extreme Fiber (in, mm) 
Section 



Moment
of
Inertia 
g = Flange slope (Standard Channels)
= 1/6

g = Flange slope (Standard Channels)


Radius
of
Gyration 



Area 



y 



Section 

Moment
of
Inertia 

Radius
of
Gyration 

Area 

y 

Related:


