Convert astronomical unit to foot (US survey)
Please provide values below to convert astronomical unit [AU, UA] to foot (US survey) [ft (US)], or Convert foot (US survey) to astronomical unit.
How to Convert Astronomical Unit to Foot (Us Survey)
1 AU, UA = 490805680790.213 ft (US)
Example: convert 15 AU, UA to ft (US):
15 AU, UA = 15 × 490805680790.213 ft (US) = 7362085211853.2 ft (US)
Astronomical Unit to Foot (Us Survey) Conversion Table
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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.
Foot (Us Survey)
The U.S. survey foot was a unit of length defined as exactly 1200/3937 meters.
History/Origin
The U.S. survey foot was used for land surveying in the United States for most of the 20th century. Its use was officially phased out in 2022 to standardize with the international foot.
Current Use
The U.S. survey foot is now an obsolete unit.