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` = "Unit MoI (SI)"`

1.0

The moment of inertia (**MoI**) is expressed as `kg * m^2` in SI units and as `lb_m * ft^2` in US units. The MoI represents the amount of torque around an axis that is required to cause a specified amount of change in angular momentum. This equation always output one unit of MoI in SI units.

If you are computing a moment of inertia and want to get out the appropriate units, compute the answer in Groovy without units and then multiply it by this constant. Your result should be in `kg * m^2`