Convert hectometer to exameter
Please provide values below to convert hectometer [hm] to exameter [Em], or Convert exameter to hectometer.
How to Convert Hectometer to Exameter
1 hm = 1e-16 Em
Example: convert 15 hm to Em:
15 hm = 15 × 1e-16 Em = 1.5e-15 Em
Hectometer to Exameter Conversion Table
| hectometer | exameter |
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Hectometer
A hectometer is a unit of length in the metric system equal to 100 meters.
History/Origin
The prefix "hecto-" from the Greek "hekaton" meaning hundred, was part of the original metric system adopted in France in 1795.
Current Use
The hectometer is not a widely used unit of length in English-speaking countries. It is sometimes used in surveying and for marking distances on highways in some countries.
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.