Convert chain (US survey) to megameter
Please provide values below to convert chain (US survey) [ch (US)] to megameter [Mm], or Convert megameter to chain (US survey).
How to Convert Chain (Us Survey) to Megameter
1 ch (US) = 2.01168402337e-05 Mm
Example: convert 15 ch (US) to Mm:
15 ch (US) = 15 × 2.01168402337e-05 Mm = 0.0003017526035055 Mm
Chain (Us Survey) to Megameter Conversion Table
| chain (US survey) | megameter |
|---|
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.
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.