Convert from microinch to ligne [Swiss]

Unit Definition (microinch)
The microinch is a common imperial unit of distance equal to one millionth of an inch, or 25.4 nanometers (nm). The microinch is used for precise machining tolerances and also to describe the roughness of surfaces.

Unit Definition (ligne [Swiss])
A unit of measurement generally used to determine bangle widths. There are forty lignes to the inch.