Is unit conversion formula 1 mm mm

Is unit conversion formula 1 mm mm


According to the context, it means 1 mm
The standard code of millimeter is mm, where the first m from the left represents one thousandth of the magnification, that is, millimetre; the second m represents the unit of length in meters



How many um is 3.2mm? How many nm?


3200um.3200000nm



0.13M = how many nm = how many um


130000000 130000