Unit Definition (alen [Swedish])
The Swedish Alen is slightly shorter than the Scandinavian Alen. It is almost equal to 2 foot, or more precisely equal to 59.38 centimeters (23.38 inches).

Unit Definition (gigaparsec)
The Gigaparsec is a non-metric unit of distance equal to one billion parsecs, 3.2616 billion light years, or 30.856 78 zettameters (30.856 78 x 1021 kilometers). The unit is used in astronomy.