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

is a unit of length.


  • To use , you first need to load the Units Package using Needs["Units`"].
  • is equivalent to 10-10 Meter (SI units).
  • Convert[n Angstrom,newunits] converts n Angstrom to a form involving units newunits.
  • One is one tenth of a nanometer.
  • is typically abbreviated as .
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