Changes

A '''chain''' was a [[unit of measurement|unit]] of [[length]]. It is part of the [[Imperial unit|imperial]] and [[United States|United States customary]] systems. It was used for measuring [[land]]. The short way of writing chains is '''ch'''.

The '''chain''' (symbol: '''ch''') is a [[unit of measurement|unit]] of [[length]]. It is part of the [[Imperial unit|imperial]] and [[United States|United States customary]] systems. It was used for measuring [[land]]. The short way of writing chains is '''ch'''.

There are a number of different definitions of the chain, from 50 to 100 [[Foot (unit of length)|feet]] long. In the imperial system, one chain is equal to 66 feet or 20.1168 [[metre]]s. This is also called a ''[[#Gunter's chain|Gunter's chain]]'', ''[[surveyor]]'s chain'' or ''land chain''.

There are a number of different definitions of the chain, from 50 to 100 [[Foot (unit of length)|feet]] long. In the imperial system, one chain is equal to 66 feet or 20.1168 [[metre]]s. This is also called a ''[[#Gunter's chain|Gunter's chain]]'', ''[[surveyor]]'s chain'' or ''land chain''.