Convert chain to chain (US survey)
Please provide values below to convert chain [ch] to chain (US survey) [ch (US)], or Convert chain (US survey) to chain.
How to Convert Chain to Chain (Us Survey)
1 ch = 0.999997999999029 ch (US)
Example: convert 15 ch to ch (US):
15 ch = 15 × 0.999997999999029 ch (US) = 14.9999699999854 ch (US)
Chain to Chain (Us Survey) Conversion Table
| chain | chain (US survey) |
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Chain
A chain is a unit of length equal to 66 feet, or 22 yards.
History/Origin
The chain was developed by English surveyor Edmund Gunter in the early 17th century. It was designed to be a convenient length for surveying land.
Current Use
The chain is still used in some surveying applications and is the length of a cricket pitch.
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.