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square inch [survey]
How many circular mil in 1 square inch?
The answer is 1273239.54474.
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 1550.00310001 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.
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You can do the reverse unit conversion from square inch to circular mil, or enter any two units below:
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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).
A square inch is by definition the area enclosed by a square with sides each 1 inch long.
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!