Convert microinch to astronomical unit
Please provide values below to convert microinch [µin] to astronomical unit [AU, UA], or Convert astronomical unit to microinch.
How to Convert Microinch to Astronomical Unit
1 µin = 1.69788512905619e-19 AU, UA
Example: convert 15 µin to AU, UA:
15 µin = 15 × 1.69788512905619e-19 AU, UA = 2.54682769358428e-18 AU, UA
Microinch to Astronomical Unit Conversion Table
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Microinch
A microinch is a unit of length equal to one-millionth of an inch.
History/Origin
The microinch is a unit used for extremely small measurements in precision engineering and manufacturing.
Current Use
The microinch is used in fields like mechanical engineering and electronics to measure surface roughness and tolerances.
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.