Convert Roman actus to fathom (US survey) Online | Free Length Converter

Roman Actus

The actus was an ancient Roman unit of length used primarily in land measurement. It is approximately 120 Roman feet, which equals about 35.5 meters (around 116.5 feet).

The actus was often used to define dimensions of fields and plots of land. It was also part of Roman surveying practices, helping organize land division and property boundaries.

Key facts:

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  1 actus = 120 Roman feet ≈ 35.5 meters

  
  
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  Used in Roman land surveying and agriculture

  
  
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  Essential for measuring fields and agricultural plots

  
  
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  Reflects the Roman emphasis on precise land division

  
  

The actus highlights the sophistication of Roman engineering and property management in their time.

Fathom (US Survey)

The fathom (US survey) is a unit of length used in U.S. surveying and nautical contexts, defined as exactly 6 US survey feet. Since one US survey foot is approximately 0.3048006096 meters, the US survey fathom measures about 1.828804 meters.

Like the international fathom, it is primarily used to measure water depths and underwater distances in marine navigation and surveying.

Key details:

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  1 US survey fathom = 6 US survey feet

  
  
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  1 US survey fathom ≈ 1.828804 meters

  
  
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  1 fathom = 2 yards

  
  

Though the difference between the US survey fathom and the international fathom is very small, the US survey units are being phased out in favor of international standards, but they still appear in some legal and historical surveying documents.