As of Version 9.0, unit functionality is built into the Wolfram Language »
is a unit of length.
Details and Options
- To use League, you first need to load the Units Package using Needs["Units`"].
- League is equivalent to approximately 4828.03 Meter (SI units).
- League is equivalent to 3 Mile.
- Convert[n League,newunits] converts n League to a form involving units newunits.