As of Version 9.0, unit functionality is built into the Wolfram Language »
Details and Options
- To use Tonne, you first need to load the Units Package using Needs["Units`"].
- Tonne is equivalent to 1000 Kilogram (SI units).
- Tonne is equivalent to MetricTon.
- Convert[n Tonne,newunits] converts n Tonne to a form involving units newunits.
- Tonne is typically abbreviated as t.