Convert gigameter to mile (US survey)
Please provide values below to convert gigameter [Gm] to mile (US survey) [mi (survey)], or Convert mile (US survey) to gigameter.
How to Convert Gigameter to Mile (Us Survey)
1 Gm = 621369.949494964 mi (survey)
Example: convert 15 Gm to mi (survey):
15 Gm = 15 × 621369.949494964 mi (survey) = 9320549.24242446 mi (survey)
Gigameter to Mile (Us Survey) Conversion Table
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Gigameter
A gigameter is a unit of length in the metric system equal to 10^9 meters.
History/Origin
The prefix "giga-" for 10^9 was adopted by the CGPM (General Conference on Weights and Measures) in 1960.
Current Use
The gigameter is used for measuring interplanetary distances, for example, the distance between Earth and Mars.
Mile (Us Survey)
The U.S. survey mile is a unit of length equal to 5,280 U.S. survey feet.
History/Origin
The U.S. survey foot was defined such that 1 meter is exactly 39.37 inches. This made the U.S. survey mile slightly longer than the international mile. The use of the survey foot was officially phased out in 2022.
Current Use
The U.S. survey mile was used for land surveying in the United States.