About the Units
gigameter (Gm)
A length unit equal to 10^9 meters.
mile (U.S. survey) (mi (U.S. survey))
A slightly different mile unit used in land surveying.
Common Conversions
- 1 Gm = 621370.0 mi (U.S. survey)
- 0.000001609347 Gm = 1 mi (U.S. survey)