How many square megametre in 1 barn? The answer is 1.0E-40. We assume you are converting between square megametre and barn. You can view more details on each measurement unit: square megametre or barn The SI derived unit for area is the square meter. 1 square meter is equal to 1.0E-12 square megametre, 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 megameters and barns. Type in your own numbers in the form to convert the units!
1 square megametre to barn = 1.0E+40 barn
2 square megametre to barn = 2.0E+40 barn
3 square megametre to barn = 3.0E+40 barn
4 square megametre to barn = 4.0E+40 barn
5 square megametre to barn = 5.0E+40 barn
6 square megametre to barn = 6.0E+40 barn
7 square megametre to barn = 7.0E+40 barn
8 square megametre to barn = 8.0E+40 barn
9 square megametre to barn = 9.0E+40 barn
10 square megametre to barn = 1.0E+41 barn
You can do the reverse unit conversion from barn to square megametre, or enter any two units below:
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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