A millimeter is a unit of length measurement and can not be used to describe mass, your question does not make sense.
0.20293g/cm3
One millimeter is 0.393701 inches.
It is as big as a tack, the stabby part
millimeter is not a measure of volume
1 millimeter = 0.0393700787 inches
19 millimeters
None the millimeter is smaller than the Centimeter
1 millimeter=0.001 meters
One millimeter is MUCH wider than a human hair. About 20 human hairs equals 1 millimeter.
COST TO TRANSFER 16 MILLIMETER FILM TO DVD
100 millimeters ==
30mm