Convert gigameter to megameter
Please provide values below to convert gigameter [Gm] to megameter [Mm], or Convert megameter to gigameter.
How to Convert Gigameter to Megameter
1 Gm = 1000 Mm
Example: convert 15 Gm to Mm:
15 Gm = 15 × 1000 Mm = 15000 Mm
Gigameter to Megameter 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.
Megameter
A megameter is a unit of length in the metric system equal to 10^6 meters.
History/Origin
The prefix "mega-" for 10^6 was adopted by the CGPM (General Conference on Weights and Measures) in 1873.
Current Use
The megameter is sometimes used to specify the diameters of planets and the distances of satellites.