What does circular mil mean?

Definitions for circular mil
cir·cu·lar mil

This dictionary definitions page includes all the possible meanings, example usage and translations of the word circular mil.

Wiktionary

  1. circular milnoun

    The non-SI unit for measuring the cross-sectional area of an electrical conductor: 1 CM= area of a circle having diameter of 0.001 inch; use capitals to distinguish from centimeter; 0.000 506 7 sq millimeters.

Wikipedia

  1. Circular mil

    A circular mil is a unit of area, equal to the area of a circle with a diameter of one mil (one thousandth of an inch or 0.0254 mm). It corresponds to approximately 5.067×10−4 mm2. It is a unit intended for referring to the area of a wire with a circular cross section. As the definition of the unit contains π, it is easy to calculate area values in circular mils knowing the diameter in mils.

Wikidata

  1. Circular mil

    A circular mil is a unit of area, equal to the area of a circle with a diameter of one mil. It is a convenient unit for referring to the area of a wire with a circular cross section, because the area in circular mils can be calculated without reference to pi. The area in circular mils, A, of a circle with a diameter of d mils, is given by the formula: Electricians in Canada and the United States are familiar with the circular mil because the National Electrical Code uses the circular mil to define wire sizes larger than 0000 AWG. In many NEC publications and uses, large wires may be expressed in thousands of circular mils, which is abbreviated in two different ways: MCM or kcmil. For example, one common wire size used in the NEC has a cross-section of 250,000 circular mils, written as 250 kcmil or 250 MCM, which is the first size larger than 0000 AWG used within the NEC.

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Numerology

  1. Chaldean Numerology

    The numerical value of circular mil in Chaldean Numerology is: 2

  2. Pythagorean Numerology

    The numerical value of circular mil in Pythagorean Numerology is: 2


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"circular mil." Definitions.net. STANDS4 LLC, 2025. Web. 19 Feb. 2025. <https://www.definitions.net/definition/circular+mil>.

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