Convert megameter to exameter
Please provide values below to convert megameter [Mm] to exameter [Em], or Convert exameter to megameter.
How to Convert Megameter to Exameter
1 Mm = 1e-12 Em
Example: convert 15 Mm to Em:
15 Mm = 15 × 1e-12 Em = 1.5e-11 Em
Megameter to Exameter Conversion Table
| megameter | exameter |
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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.
Exameter
An exameter is a unit of length in the metric system equal to 10^18 meters.
History/Origin
The prefix "exa-" for 10^18 was adopted by the CGPM (General Conference on Weights and Measures) in 1975.
Current Use
The exameter is used in astronomy to measure the vast distances between galaxies.