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.
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... States Census Bureau, the town has a total area of 4.4 km² (1.7 mi²). 3.3 km² (1.3 mi²) of it is land and 1.1 km² (0.4 mi²) of it is ...