Convert circular mil to are
Please provide values below to convert circular mil [circ mil] to are [a], or Convert are to circular mil.
How to Convert Circular Mil to Are
1 circ mil = 5.06707479e-12 a
Example: convert 15 circ mil to a:
15 circ mil = 15 × 5.06707479e-12 a = 7.600612185e-11 a
Circular Mil to Are Conversion Table
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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.
Are
The are is a metric unit of area equal to 100 square meters.
History/Origin
The are was introduced in France in the 19th century as a convenient unit for measuring land area, particularly in agriculture and real estate.
Current Use
The are is still used in some countries for land measurement, especially in real estate and agriculture, but has largely been replaced by the hectare in most contexts.