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

is a unit of energy.


  • To use Therm, you first need to load the Units Package using Needs["Units`"].
  • Therm is equivalent to approximately 1.05506×108 Joule (SI units).
  • Therm is equivalent to 105 BTU.
  • Convert[n Therm,newunits] converts n Therm to a form involving units newunits.
  • Therm is typically abbreviated thm.