Convert chain (US survey) to micron
Please provide values below to convert chain (US survey) [ch (US)] to micron [µ], or Convert micron to chain (US survey).
How to Convert Chain (Us Survey) to Micron
1 ch (US) = 20116840.2337 µ
Example: convert 15 ch (US) to µ:
15 ch (US) = 15 × 20116840.2337 µ = 301752603.5055 µ
Chain (Us Survey) to Micron Conversion Table
| chain (US survey) | micron |
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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.
Micron
A micron is a non-SI name for micrometer (µm), which is a unit of length equal to one-millionth of a meter.
History/Origin
The term "micron" and the symbol µ were officially declared obsolete by the General Conference on Weights and Measures (CGPM) in 1967 and are now discouraged.
Current Use
While the term micrometer is the officially recognized term, "micron" is still used in some industries and in casual speech.