# MASS MOMENT OF INERTIA OF A SPHERE

The mass moment of inertia calculator for a sphere about sphere's center of the mass. Mass moment of inertia formulas are given below the calculator.

### Mass Moment of Inertia of a Solid Sphere Calculator:

 INPUT PARAMETERS Parameter Value Radius [R] mm cm m inch ft Mass [M] kg lb

 RESULTS Parameter Value Mass moment of inertia about any axis through the center [I] --- g*mm^2 kg*m^2 lb*in^2

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 Symbol Equation Mass moment of inertia about any axis through the center I I= (2/5) * (M*r2)

### Reference:

• Oberg, E. , Jones ,F.D. , Horton H.L. , Ryffel H.H., (2016) . Machinery's Handbook . 30th edition.  Industrial Press Inc. pp 238
• Oberg, E., Jones, F. D., Horton, H. L., & Ryffel, H. H. (2012) . Machinery's Handbook . 29th edition.  Industrial Press Inc., pp 246