Convert mil to astronomical unit
Please provide values below to convert mil [mil, thou] to astronomical unit [AU, UA], or Convert astronomical unit to mil.
How to Convert Mil to Astronomical Unit
1 mil, thou = 1.69788512905619e-16 AU, UA
Example: convert 15 mil, thou to AU, UA:
15 mil, thou = 15 × 1.69788512905619e-16 AU, UA = 2.54682769358428e-15 AU, UA
Mil to Astronomical Unit Conversion Table
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Mil
A mil, also known as a thou, is a unit of length equal to one-thousandth of an inch.
History/Origin
The mil was introduced in the 19th century as a convenient unit for fine measurements in engineering and manufacturing.
Current Use
The mil is still used in some manufacturing and engineering contexts, particularly in the United States, for specifying the thickness of materials like paper and wire.
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.