How many barn in 1 square chain?
The answer is 4.0468726E+30.
We assume you are converting between barn and square chain [Gunter, survey].
You can view more details on each measurement unit: barn or
square chain
The SI derived unit for area is the square meter.
1 square meter is equal to 1.0E+28 barn, or 0.0024710439364956 square chain.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between barns and square chains.
Type in your own numbers in the form to convert the units!

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You can do the reverse unit conversion from
square chain 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.

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