How to Convert Millimeters to Microns Converting millimeters to microns is straightforward using metric prefixes. One millimeter equals one thousand micrometers. The Mathematical Formula To convert millimeters to microns, multiply the number of millimeters by 1,000: Microns = Millimeters × 1,000 Millimeters to Microns Conversion Table Millimeters (mm) Microns (µm) 0.1 mm100 µm 0.5 mm500 µm 1 mm1,000 µm 5 mm5,000 µm 10 mm10,000 µm
