Millimeter (mm): The millimeter is equal to one one-thousandth of a meter (0.001 meters). It is frequently used for very precise measurements, such as the thickness of paper or the diameter of small objects.
Mile: The mile is a unit of length primarily used in the United States and some other countries. It is equal to 5,280 feet or 1,609.34 meters. The mile is commonly used for measuring longer distances, such as road distances.