Convert gigameter to inch (survey)
Selected category: length.
Definition and details for gigameter:
Gigameter (Gm) is a metric unit of distance equal to one million kilometers (or 109m). This unit would be a good yardstick for the inner Solar System.
Definition and details for inch (survey):
U.S. survey inch was defined on April 5, 1893 by Thomas Corwin Mendenhall, as a unit of length equal to 1/39.37 meters exactly.