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

is a unit of length.


  • To use Chain, you first need to load the Units Package using Needs["Units`"].
  • Chain is equivalent to approximately 20.1168 Meter (SI units).
  • Chain is equivalent to 66 Foot.
  • Convert[n Chain,newunits] converts n Chain to a form involving units newunits.
  • Chain is typically abbreviated as ch.