As of Version 9.0, unit functionality is built into the Wolfram Language »
is a unit of length.
Details and Options
- To use Fermi, you first need to load the Units Package using Needs["Units`"].
- Fermi is equivalent to 10-15 Meter (SI units).
- Convert[n Fermi,newunits] converts n Fermi to a form involving units newunits.