Convert centimeter to astronomical unit
Please provide values below to convert centimeter [cm] to astronomical unit [AU, UA], or Convert astronomical unit to centimeter.
How to Convert Centimeter to Astronomical Unit
1 cm = 6.68458712226845e-14 AU, UA
Example: convert 15 cm to AU, UA:
15 cm = 15 × 6.68458712226845e-14 AU, UA = 1.00268806834027e-12 AU, UA
Centimeter to Astronomical Unit Conversion Table
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Centimeter
A centimeter is a unit of length in the metric system, equal to one-hundredth of a meter.
History/Origin
The prefix "centi-" comes from the Latin word "centum," meaning hundred. The centimeter was part of the original metric system established in France in 1795.
Current Use
The centimeter is a very common unit of measurement for everyday objects and is used in many fields, including science, engineering, and fashion.
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.