How many square millimicron in 1 barn?
The answer is 1.0E-10.
We assume you are converting between square millimicron and barn.
You can view more details on each measurement unit: square millimicron or
barn
The SI derived unit for area is the square meter.
1 square meter is equal to 1.0E+18 square millimicron, or 1.0E+28 barn.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between square millimicrons and barns.
Type in your own numbers in the form to convert the units!

››Quick conversion chart of square millimicron to barn

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.

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