Convert dekameter to astronomical unit
Please provide values below to convert dekameter [dam] to astronomical unit [AU, UA], or Convert astronomical unit to dekameter.
How to Convert Dekameter to Astronomical Unit
1 dam = 6.68458712226845e-11 AU, UA
Example: convert 15 dam to AU, UA:
15 dam = 15 × 6.68458712226845e-11 AU, UA = 1.00268806834027e-09 AU, UA
Dekameter to Astronomical Unit Conversion Table
| dekameter | astronomical unit |
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Dekameter
A dekameter is a unit of length in the metric system equal to 10 meters.
History/Origin
The prefix "deka-" from the Greek "deka" meaning ten, was part of the original metric system adopted in France in 1795.
Current Use
The dekameter is rarely used in practice. It is sometimes used in meteorology to measure altitude.
Astronomical Unit
The astronomical unit is a unit of length, now defined as exactly 149,597,870,700 meters. It is approximately the average distance between the Earth and the Sun.
History/Origin
Historically, the astronomical unit was the mean Earth-Sun distance. In 2012, the International Astronomical Union (IAU) redefined it as a fixed constant.
Current Use
The astronomical unit is used primarily for measuring distances within the Solar System or around other stars.