Convert mil to chain (US survey)
Please provide values below to convert mil [mil, thou] to chain (US survey) [ch (US)], or Convert chain (US survey) to mil.
How to Convert Mil to Chain (Us Survey)
1 mil, thou = 1.26262373737251e-06 ch (US)
Example: convert 15 mil, thou to ch (US):
15 mil, thou = 15 × 1.26262373737251e-06 ch (US) = 1.89393560605877e-05 ch (US)
Mil to Chain (Us Survey) Conversion Table
| mil | chain (US survey) |
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Mil
A mil, also known as a thou, is a unit of length equal to one-thousandth of an inch.
History/Origin
The mil was introduced in the 19th century as a convenient unit for fine measurements in engineering and manufacturing.
Current Use
The mil is still used in some manufacturing and engineering contexts, particularly in the United States, for specifying the thickness of materials like paper and wire.
Chain (Us Survey)
A U.S. survey chain is a unit of length equal to 66 U.S. survey feet.
History/Origin
The U.S. survey chain is based on the U.S. survey foot, which was slightly different from the international foot. The use of survey units was officially phased out in 2022.
Current Use
The U.S. survey chain was used for land surveying in the United States.