How many barn in 1 square kilometer?
The answer is 1.0E+34.
We assume you are converting between barn and square kilometre.
You can view more details on each measurement unit:
barn or square kilometer
The SI derived unit for area is the square meter.
1 square meter is equal to 1.0E+28 barn, or 1.0E-6 square kilometer.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between barns and square kilometers.
Type in your own numbers in the form to convert the units!
You can do the reverse unit conversion from square kilometer to barn, or enter any two units below:
barn to square terameter
barn to square picometer
barn to joch
barn to square femtometer
barn to square Paris foot
barn to tunnland
barn to square micromicron
barn to square zeptometer
barn to tatami
barn to square fermi
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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