As of Version 9.0, unit functionality is built into the Wolfram Language »
Details and Options
- To use Mil, you first need to load the Units Package using Needs["Units`"].
- Mil is equivalent to 25.4×10-6 Meter (SI units).
- Mil is equivalent to Inch/1000.
- Convert[n Mil,newunits] converts n Mil to a form involving units newunits.