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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... car, the huge "Royale[?]", and the Type 55 sports car. Bugatti also designed a successful motorized railcar, the Autorail, and an airplane, but it never flew. Ettore ...