As of Version 9.0, unit functionality is built into the Wolfram Language

is the derived CGS unit of energy.


  • To use Erg, you first need to load the Units Package using Needs["Units`"].
  • Erg is equivalent to 10-7 Joule (SI units).
  • Convert[n Erg,newunits] converts n Erg to a form involving units newunits.
  • Erg is written in the literature as erg.