Use this useful tool to convert moment of inertia choosing one of the 12 units of measurment included in this app (with the availability to add custom units), that are:
Gram Square Centimeter, Kilogram Force Centimeter Sq. Second, Kilogram Force Meter Square Second, Kilogram Square Centimeter, Kilogram Square Meter, Ounce Inch Square Second, Ounce Square Inch, Pound Foot Square Second, Pound Inch Square Second, Pound Square Inch, Pound Square Foot, Slug Square Foot.