Convert Chain to...

Unit system Imperial/US
Unit of length
Unit conversions
1 chain in ... ... is equal to ...
SI units 20.1168 m
Imperial/US unit(s) 22 yd

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Metric Conversion
Kilometre [km]
Hectometre [hm]
Decametre [dam]
Metre [m]
Decimetre [dm]
Centimetre [cm]
Millimetre [mm]
Micrometre [µm]
Nanometre [nm]
Angstrom [Å]
British/Imperial Conversion
Mile [mi]
Rod [rd]
Yard [yd]
Foot [ft]
Inch [in]
Mil [mil]
Thou [thou]
Nautical Conversion
Sea mile
Astronomical Conversion
Parsec [pc]
Light Year
Astronomical Unit [AE]
Light Minute
Light Second

A chain is a unit of length. It measures 66 feet, or 22 yards, or 100 links, or 4 rods (20.1168 m). There are 10 chains in a furlong, and 80 chains in one statute mile. An acre is the area of 10 square chains (that is, an area of one chain by one furlong).

The chain has been used for several centuries in Britain and in some other countries influenced by British practice.

By extension, chainage (running distance) is the distance along a curved or straight survey line from a fixed commencing point, as given by an odometer.

This article uses material from the Wikipedia article "Chain (unit)", which is released under the Creative Commons Attribution-Share-Alike License 3.0.