How many millibarn in 1 square nanometre? The answer is 10000000000000. We assume you are converting between millibarn and square nanometre. You can view more details on each measurement unit: millibarn or square nanometre The SI derived unit for area is the square meter. 1 square meter is equal to 1.0E+31 millibarn, or 1.0E+18 square nanometre. Note that rounding errors may occur, so always check the results. Use this page to learn how to convert between millibarns and square nanometers. Type in your own numbers in the form to convert the units!
You can do the reverse unit conversion from square nanometre to millibarn, or enter any two units below:
The SI prefix "milli" represents a factor of 10-3, or in exponential notation, 1E-3.
So 1 millibarn = 10-3 barns.
The definition of a barn is as follows:
A barn is a unit of area, abbreviated mostly as "bn", equal to 10-28 m2. 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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