Convert Suns radius to furlong (US survey) Online | Free Length Converter

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Sun’s Radius


The radius of the Sun is the distance from its center to its surface (photosphere).



  • It is approximately 696,340 kilometers (about 432,685 miles).



  • The Sun is a nearly perfect sphere of hot plasma, and this radius defines its visible "surface."



  • The Sun’s radius is about 109 times the radius of Earth.



Key facts:



  • Sun’s radius ≈ 696,340 km



  • Defines the size of the Sun’s visible surface



  • Critical for understanding solar structure and scale



Knowing the Sun’s radius helps astronomers model solar phenomena and compare the Sun with other stars.



Furlong (US Survey)


The furlong (US survey) is a traditional unit of distance used in U.S. land surveying, defined as 1/8 of a U.S. survey mile, or exactly 660 U.S. survey feet. Since one U.S. survey foot equals approximately 0.3048006096 meters, the US survey furlong is about 201.1684 meters long.


While the difference between the US survey furlong and the international (standard) furlong is extremely small (just a few micrometers), it was significant in precise land measurements, particularly in legal and cadastral surveying contexts.


Key Conversions:



  • 1 US survey furlong = 660 US survey feet



  • 1 US survey furlong ≈ 220 yards



  • 1 US survey furlong ≈ 201.1684 meters



  • 8 US survey furlongs = 1 US survey mile



As of 2023, the U.S. has officially deprecated the use of the survey foot (and by extension the survey furlong) in favor of the international foot, but it may still appear in historical and legal documents.



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