Convert square mile to circular mil
Please provide values below to convert square mile [mi^2] to circular mil [circ mil], or Convert circular mil to square mile.
How to Convert Square Mile to Circular Mil
1 mi^2 = 5.11140691163155e+15 circ mil
Example: convert 15 mi^2 to circ mil:
15 mi^2 = 15 × 5.11140691163155e+15 circ mil = 7.66711036744733e+16 circ mil
Square Mile to Circular Mil Conversion Table
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Square Mile
A square mile is a unit of area measurement equal to the area of a square with sides of one mile each.
History/Origin
The square mile has been used historically in the United States and the United Kingdom for land measurement, especially in surveying and real estate, originating from the imperial system of units.
Current Use
Today, the square mile is primarily used in the United States and the UK for measuring land areas, such as in real estate, geography, and environmental studies, within the context of the 'Area' converter in 'Common Converters'.
Circular Mil
A circular mil is a unit of area used to measure the cross-sectional size of wires, representing the area of a circle with a diameter of one mil (one thousandth of an inch).
History/Origin
The circular mil originated in the electrical industry to specify wire sizes before the adoption of metric units. It has been a standard measurement in North America for wire gauge sizes for many decades.
Current Use
Circular mils are still used today in the electrical industry to specify wire cross-sectional areas, especially in North America, although metric units are increasingly common.