Convert gigameter to nautical mile (international)
Please provide values below to convert gigameter [Gm] to nautical mile (international) [NM], or Convert nautical mile (international) to gigameter.
How to Convert Gigameter to Nautical Mile (International)
1 Gm = 539956.803455724 NM
Example: convert 15 Gm to NM:
15 Gm = 15 × 539956.803455724 NM = 8099352.05183585 NM
Gigameter to Nautical Mile (International) Conversion Table
| gigameter | nautical mile (international) |
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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.
Nautical Mile (International)
The international nautical mile is a unit of length used in marine and air navigation, defined as exactly 1,852 meters.
History/Origin
Historically, a nautical mile was defined as one minute of arc of latitude. The international nautical mile was defined by the First International Extraordinary Hydrographic Conference in Monaco in 1929. The United States adopted it in 1954, and the United Kingdom in 1970.
Current Use
The nautical mile is used for maritime and aviation purposes worldwide.