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Long Cubit

The long cubit is an ancient unit of length that is a variation of the standard cubit, measuring from the elbow to the tip of the middle finger. The long cubit is longer than the common cubit, typically about 21 inches (approximately 53 centimeters).

It was used in ancient civilizations such as Egypt and Mesopotamia for construction, land measurement, and crafts, especially when more precision or a larger unit was needed.

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  Long cubit ≈ 21 inches (53 cm)

  
  
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  Longer than the standard cubit (usually about 18 inches)

  
  
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  Used in ancient architecture and surveying

  
  
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  Provided a larger base unit for measurements in construction

  
  

The long cubit helped ancient builders and surveyors manage larger scales while still relying on the human body as a reference.

Foot

A foot (plural: feet) is a unit of length commonly used in the United States, the United Kingdom, and some other countries. One foot equals 12 inches or about 0.3048 meters. Feet are often used to measure height, room dimensions, and short distances. For example, a person might be 5 feet 8 inches tall. The abbreviation for foot is "ft". Although many countries use the metric system, feet remain popular in daily life and construction in countries using the imperial system.