Moment of Inertia Calculator

Calculate the moment of inertia (rotational inertia) for common standard shapes. This value determines the torque needed for a desired angular acceleration about a rotational axis.

Moment of Inertia Calculator

How to Use

  1. 1

    Select Shape

    Choose the standard geometric shape and rotational axis from the dropdown menu.

  2. 2

    Enter Mass

    Input the mass of the object in kilograms.

  3. 3

    Enter Dimension

    Input the radius or length (depending on the shape) in meters, and click calculate.

Frequently Asked Questions

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