Convert mile (US survey) to astronomical unit
Please provide values below to convert mile (US survey) [mi (survey)] to astronomical unit [AU, UA], or Convert astronomical unit to mile (US survey).
How to Convert Mile (Us Survey) to Astronomical Unit
1 mi (survey) = 1.07578216933431e-08 AU, UA
Example: convert 15 mi (survey) to AU, UA:
15 mi (survey) = 15 × 1.07578216933431e-08 AU, UA = 1.61367325400147e-07 AU, UA
Mile (Us Survey) to Astronomical Unit Conversion Table
| mile (US survey) | astronomical unit |
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Mile (Us Survey)
The U.S. survey mile is a unit of length equal to 5,280 U.S. survey feet.
History/Origin
The U.S. survey foot was defined such that 1 meter is exactly 39.37 inches. This made the U.S. survey mile slightly longer than the international mile. The use of the survey foot was officially phased out in 2022.
Current Use
The U.S. survey mile was used for land surveying in the United States.
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.