Convert circular inch to square mile (US survey)
Please provide values below to convert circular inch [circ in] to square mile (US survey) [mi^2 (US)], or Convert square mile (US survey) to circular inch.
How to Convert Circular Inch to Square Mile (Us Survey)
1 circ in = 1.95640068830353e-10 mi^2 (US)
Example: convert 15 circ in to mi^2 (US):
15 circ in = 15 × 1.95640068830353e-10 mi^2 (US) = 2.93460103245529e-09 mi^2 (US)
Circular Inch to Square Mile (Us Survey) Conversion Table
| circular inch | square mile (US survey) |
|---|
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 Mile (Us Survey)
A square mile (US survey) is a unit of area equal to the area of a square with sides of one mile, specifically used in the United States survey system.
History/Origin
The square mile has been used historically in land measurement and mapping in the United States, originating from the British imperial system. It is commonly employed in surveying and land division, especially in rural and agricultural contexts.
Current Use
Today, the square mile (US survey) is primarily used in land surveying, real estate, and geographic data within the United States, particularly for measuring large land areas such as counties, states, and national parks.