Convert from nanometer to douzieme [watchmaking]

Unit Definition (nanometer)
Equal to 0.000000001 meters (formerly millimicron), or 0.03937 microinch.

Unit Definition (douzieme [watchmaking])
The douzieme is a traditional unit of distance used in watchmaking. The word is French for "twelfth," and a douzième is equal to 1/12 Swiss ligne. This is about 188 micrometers (microns) or 7.4 mils.