Definition

circular mil

The circular mil is a unit of area used especially when denoting the cross-sectional size of a wire or cable. It is the equivalent area of a circle whose diameter is 0.001 (10^-3) inch, or approximately 0.7854 millionths of a square inch (or 2.5 x 10^-7 times picentimeter squared (cm²) can be awkward. To convert circular mils approximately to meters squared (m²), multiply by 5.066 x 10^-10. Conversely, multiply by 1.974 x 10⁹. To convert circular mils approximately to centimeters squared (cm²), multiply by 5.066 x 10^-6. Conversely, multiply by 1.974 x 10⁵.

Also see area, meter squared, centimeter squared, foot squared, International System of Units (SI), and Table of Physical Units.

Related glossary terms: gigapop (gigabit point-of-presence), NBMA (non-broadcast multiple access), ATU-R (ADSL Terminal Unit - Remote), ring, passive FTP, dark fiber, Router, satellite news gathering (SNG), plane (in networking), bus network

This was last updated in September 2005

Posted by: Margaret Rouse

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