Convert link (US survey) to chain Online | Free Length Converter

Link (US Survey)

The US survey link is a unit of length used in the United States for land surveying, defined as exactly 7.92 US survey inches. Since one US survey inch is slightly longer than the international inch (due to the US survey foot), the US survey link is approximately 0.201168 meters.

It is part of the US survey system, derived from Gunter’s chain, which is divided into 100 links per chain (66 US survey feet). Links are used to measure small distances in surveying and land measurement.

Key facts:

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  1 US survey link = 7.92 US survey inches

  
  
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  1 US survey link ≈ 0.201168 meters

  
  
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  100 links = 1 US survey chain (66 US survey feet)

  
  
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  25 links = 1 US survey rod (16.5 US survey feet)

  
  

Though the US survey units are being phased out, the US survey link still appears in historical land records and legal surveying documents.

Chain

A chain is a unit of length traditionally used in land surveying. The most common version is the Gunter’s chain, which equals 66 feet or 22 yards, approximately 20.1168 meters.

The chain was introduced by English clergyman Edmund Gunter in the 17th century to simplify land measurement. One chain consists of 100 links, each 0.66 feet long. It became a standard unit in British and American land surveying and was instrumental in defining land areas, especially in the U.S. Public Land Survey System.

Key Conversions:

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  1 chain = 66 feet

  
  
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  1 chain = 22 yards

  
  
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  1 chain ≈ 20.1168 meters

  
  
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  10 chains = 1 furlong

  
  
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  80 chains = 1 mile

  
  

Though now largely replaced by metric units and modern surveying tools, the chain still appears in older land deeds, maps, and rural property descriptions.