Convert megameter to kilometer
Please provide values below to convert megameter [Mm] to kilometer [km], or Convert kilometer to megameter.
How to Convert Megameter to Kilometer
1 Mm = 1000 km
Example: convert 15 Mm to km:
15 Mm = 15 Γ 1000 km = 15000 km
Megameter to Kilometer Conversion Table
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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.
Kilometer
A kilometer is a unit of length in the metric system, equal to one thousand meters.
History/Origin
The term "kilometer" is derived from the Greek words "khilioi" (thousand) and "metron" (measure). The kilometer was first defined as part of the metric system in France in 1795.
Current Use
The kilometer is the most widely used unit of distance for road signs and travel distances in the world, with the notable exceptions of the United States and the United Kingdom.