Convert exameter to millimeter
Please provide values below to convert exameter [Em] to millimeter [mm], or Convert millimeter to exameter.
How to Convert Exameter to Millimeter
1 Em = 1e+21 mm
Example: convert 15 Em to mm:
15 Em = 15 × 1e+21 mm = 1.5e+22 mm
Exameter to Millimeter Conversion Table
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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.
Millimeter
A millimeter is a unit of length in the metric system, equal to one-thousandth of a meter.
History/Origin
The prefix "milli-" comes from the Latin word "mille," meaning thousand. The millimeter was part of the original metric system adopted in France in 1795.
Current Use
The millimeter is widely used in engineering and manufacturing for high-precision measurements. It is also a common unit in construction and for measuring small objects.