Exameter (Em)
Definition: An exameter (Em) is a unit of length equal to 10^18 meters. It is used primarily in theoretical physics and astronomy for describing vast cosmic distances.
History: As the metric system expanded, large-scale units like the exameter were introduced to accommodate astronomical and scientific measurements requiring extremely large distances.
Current Use: Exameters are rarely used in everyday applications but appear in astrophysics when discussing interstellar distances, black hole measurements, and the size of cosmic structures.
Decameter (dam)
Definition: A decameter (dam) is a unit of length equal to 10 meters. It is commonly used for measuring things like the size of buildings, distances in the field, and in some sports applications.
History: The decameter was created as part of the metric system to provide a convenient intermediate unit between the meter and the hectometer. It is less frequently used in modern contexts but remains part of the metric system.
Current Use: Decameters are used for various tasks, including measuring distances in construction, surveying, and agriculture. They are sometimes used in sports, such as for track and field events.
Quick Conversion Table Exameter (Em) to Decameter (dam)
1 Exameter (Em) equal to 1.0e+17 Decameter (dam)
5 Exameter (Em) equal to 5.0e+17 Decameter (dam)
10 Exameter (Em) equal to 1.0e+18 Decameter (dam)
20 Exameter (Em) equal to 2.0e+18 Decameter (dam)
30 Exameter (Em) equal to 3.0e+18 Decameter (dam)
50 Exameter (Em) equal to 5.0e+18 Decameter (dam)
75 Exameter (Em) equal to 7.50e+18 Decameter (dam)
100 Exameter (Em) equal to 1.0e+19 Decameter (dam)