›› Convert circular mil to square mil


circular mil
square mil

›› More information from the unit converter

How many circular mil in 1 square mil? The answer is 1.2732395447352.
We assume you are converting between circular mil and square mil.
You can view more details on each measurement unit:
circular mil or square mil
The SI derived unit for area is the square meter.
1 square meter is equal to 1973525241.39 circular mil, or 1550003100.0062 square mil.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between circular mils and square mil.
Type in your own numbers in the form to convert the units!


›› Quick conversion chart of circular mil to square mil

1 circular mil to square mil = 0.7854 square mil

5 circular mil to square mil = 3.92699 square mil

10 circular mil to square mil = 7.85398 square mil

20 circular mil to square mil = 15.70796 square mil

30 circular mil to square mil = 23.56194 square mil

40 circular mil to square mil = 31.41593 square mil

50 circular mil to square mil = 39.26991 square mil

75 circular mil to square mil = 58.90486 square mil

100 circular mil to square mil = 78.53982 square mil


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›› Definition: 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). 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 (π).


›› Definition: Square mil

A square mil is defined as the area of a square with sides one mil in length.

The definition of a mil is as follows:

A milliradian, often called a mil or mrad, is an SI derived unit for angular measurement which is defined as a thousandth of a radian (0.001 radian).

Compass use of mils typically rounds 6283 to 6400 for simplification, but here we use the official definition.


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