How many barn in 1 circular mil?
The answer is 5.067074790975E+18.
We assume you are converting between barn and circular mil.
You can view more details on each measurement unit: barn or
circular mil
The SI derived unit for area is the square meter.
1 square meter is equal to 1.0E+28 barn, 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 barns and circular mils.
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circular mil to barn, or enter any two units below:

A barn is a unit of area, abbreviated mostly as "bn", equal to 10^{-28} m^{2}. Although not an official SI unit, it is widely used by nuclear physicists, since it is convenient for expressing the cross sectional area of nuclei and nuclear reactions. A barn is approximately equal to the area of a uranium nucleus.

››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).

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