How many barn in 1 square millimicron?
The answer is 10000000000.
We assume you are converting between barn and square millimicron.
You can view more details on each measurement unit: barn or
square millimicron
The SI derived unit for area is the square meter.
1 square meter is equal to 1.0E+28 barn, or 1.0E+18 square millimicron.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between barns and square millimicrons.
Type in your own numbers in the form to convert the units!

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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