Converter group

Common Converters

Length Converter

Value

From

Result

... Chain = ... Millimeter

Result

... Chain

... Millimeter

Value

FromTo

From Unit:

To Unit:

Use this page to convert chain values into millimeter, with background details, formulas, a worked example, and a quick conversion table.

1 ch = 20,116.8 mm

1 mm = 0.0000497096953789867 ch

Example: 15 ch = 301,752 mm

Chain (ch) is represented in this converter as 20.1168 meters.

History: Chain is tied to surveying systems that predate or supplement modern SI land measurement.

Current use: Chain conversions are useful for land records, maps, property boundaries, and historical survey data.

Also written as ch.

A millimeter is 1/1,000 of a meter in the SI system.

History: It became widely used with metric manufacturing and engineering tolerances.

Current use: Millimeters are common in product specs, machining, and technical drawings.

Also written as mm, millimeters, millimetre, millimetres.