Moment of Inertia, Section Modulus, Radii of Gyration Equations Triangular, Hex Sections
Strength / Mechanics of Materials Table of Content
Moment of Inertia, Section Modulus, Radii of Gyration Equations Triangular, Hex Sections
A =  Area (in^{2}, mm^{2})  
I =  Moment of Inertia (in^{4}, mm^{4})  
G_{r} =  Radius of Gyration = (in, mm)  or (I/A)^{1/2}  
y =  Distance of Axis to Extreme Fiber (in, mm) 
Section 

Moment of Inertia 

Radius of Gyration 

Area 

y 
Section 

Moment of Inertia 

Radius of Gyration 

Area 

y 
Section 

Moment of Inertia 

Radius of Gyration 

Area 

y 
Section 

Moment of Inertia 

Radius of Gyration 

Area 

y 
Section 

Moment of Inertia 

Radius of Gyration 

Area 

y 
Section 

Moment of Inertia 

Radius of Gyration 

Area 

y 
Related:
 Engineering Section Properties Common Shapes
 Section Modulus Equations and Calculators
 Section Properties Radius of Gyration Cases 1  10
 Section Properties Radius of Gyration Cases 17  22
 Section Properties Radius of Gyration Cases 23  27
 Section Properties Radius of Gyration Cases 28  31
 Section Properties Radius of Gyration Cases 32  34
 Section Properties Radius of Gyration Cases 35  37