## ››Convert square mil to circular mil

 square mil circular mil

How many square mil in 1 circular mil? The answer is 0.78539816339745.
We assume you are converting between square mil and circular mil.
You can view more details on each measurement unit:
square mil or circular mil
The SI derived unit for area is the square meter.
1 square meter is equal to 1550003100.0062 square mil, or 1973525241.39 circular mil.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between square mil and circular mils.
Type in your own numbers in the form to convert the units!

## ››Quick conversion chart of square mil to circular mil

1 square mil to circular mil = 1.27324 circular mil

5 square mil to circular mil = 6.3662 circular mil

10 square mil to circular mil = 12.7324 circular mil

15 square mil to circular mil = 19.09859 circular mil

20 square mil to circular mil = 25.46479 circular mil

25 square mil to circular mil = 31.83099 circular mil

30 square mil to circular mil = 38.19719 circular mil

40 square mil to circular mil = 50.92958 circular mil

50 square mil to circular mil = 63.66198 circular mil

## ››Want other units?

You can do the reverse unit conversion from circular mil to square mil, or enter any two units below:

## Enter two units to convert

 From: To:

## ››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.

## ››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).

## ››Metric conversions and more

ConvertUnits.com provides an online conversion calculator for all types of measurement units. You can find metric conversion tables for SI units, as well as English units, currency, and other data. Type in unit symbols, abbreviations, or full names for units of length, area, mass, pressure, and other types. Examples include mm, inch, 100 kg, US fluid ounce, 6'3", 10 stone 4, cubic cm, metres squared, grams, moles, feet per second, and many more!