How many circular mil in 1 square inch?
The answer is 1273239.5447352.
We assume you are converting between circular mil and square inch.
You can view more details on each measurement unit: circular mil or
square inch
The SI derived unit for area is the square meter.
1 square meter is equal to 1973525241.39 circular mil, or 1550.0031000062 square inch.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between circular mils and square inches.
Type in your own numbers in the form to convert the units!

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 inch

A square inch is by definition the area enclosed by a square with sides each 1 inch long.

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