Convert chain to rod (US survey)
Please provide values below to convert chain [ch] to rod (US survey) [rd (US)], or Convert rod (US survey) to chain.
How to Convert Chain to Rod (Us Survey)
1 ch = 3.999992000016 rd (US)
Example: convert 15 ch to rd (US):
15 ch = 15 × 3.999992000016 rd (US) = 59.99988000024 rd (US)
Chain to Rod (Us Survey) Conversion Table
| chain | rod (US survey) |
|---|
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.
Rod (Us Survey)
A U.S. survey rod is a unit of length equal to 16.5 U.S. survey feet.
History/Origin
The U.S. survey rod 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 rod was used for land surveying in the United States.