Convert megameter to chain (US survey)
Please provide values below to convert megameter [Mm] to chain (US survey) [ch (US)], or Convert chain (US survey) to megameter.
How to Convert Megameter to Chain (Us Survey)
1 Mm = 49709.5959595477 ch (US)
Example: convert 15 Mm to ch (US):
15 Mm = 15 × 49709.5959595477 ch (US) = 745643.939393215 ch (US)
Megameter to Chain (Us Survey) Conversion Table
| megameter | chain (US survey) |
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Megameter
A megameter is a unit of length in the metric system equal to 10^6 meters.
History/Origin
The prefix "mega-" for 10^6 was adopted by the CGPM (General Conference on Weights and Measures) in 1873.
Current Use
The megameter is sometimes used to specify the diameters of planets and the distances of satellites.
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.