Convert circular inch to square rod (US survey)
Please provide values below to convert circular inch [circ in] to square rod (US survey) [sq rd (US)], or Convert square rod (US survey) to circular inch.
How to Convert Circular Inch to Square Rod (Us Survey)
1 circ in = 2.00335434929885e-05 sq rd (US)
Example: convert 15 circ in to sq rd (US):
15 circ in = 15 × 2.00335434929885e-05 sq rd (US) = 0.000300503152394828 sq rd (US)
Circular Inch to Square Rod (Us Survey) Conversion Table
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Circular Inch
A circular inch is a unit of area measurement representing the area of a circle with a diameter of one inch.
History/Origin
The circular inch originated as a specialized measurement in fields requiring precise circular area calculations, but it is not widely used in standard measurement systems and has limited historical adoption.
Current Use
Today, the circular inch is primarily used in niche applications such as engineering and manufacturing where circular area measurements are relevant, but it remains a rarely used unit outside specialized contexts.
Square Rod (Us Survey)
A square rod (US survey) is a unit of area equal to the area of a square with sides measuring one rod (16.5 feet) each, used primarily in land measurement.
History/Origin
The square rod originated from the traditional land measurement system in the United States, particularly in surveying and real estate, where the rod was a common unit of length. It has been used historically for measuring plots of land, especially in rural and agricultural contexts.
Current Use
Today, the square rod (US survey) is largely obsolete and replaced by more modern units like acres. However, it may still be encountered in historical land records and surveying documents.