A millimetre (symbol mm) is an SI unit of length that is equal to one thousandth of a metre.
1 mm ie equal to:
See 1 E-3 m for comparisons.
External link
... The population density is 129.8/km² (336.2/mi²). There are 519 housing units at an average density of 43.6/km² (112.9/mi²). The racial makeup of ...