MASS MOMENT OF INERTIA OF A ROD

The mass moment of inertia (rotational inertia) of a thin rod about axis through center perpendicular to length of the rod can be calculated using following calculator.

Equations used to calculate mass moment of inertia of a rod are given in the "List of Equations" section.



Calculator:

Mass moment of inertia of a rod
INPUT PARAMETERS
Parameter Symbol Value Unit
Length L
Mass M



OUTPUT PARAMETERS
Parameter Symbol Value Unit
Mass moment of inertia about axis I ---

Note: Use dot "." as decimal separator.

 

Definitions:

Mass Moment of Inertia: A measure of an object's resistance to rotational velocity about an axis.

List of Equations:
 
Parameter/Condition Symbol Equation
Mass moment of inertia about axis I I= (m/12) * L2

Reference:
  • Oberg, E., Jones, F. D., Horton, H. L., & Ryffel, H. H. (2012) . Machinery's Handbook . 29th edition.  Industrial Press Inc., pp 246