Use this free online calculator to convert Square Fermi to Barn instantly. This area conversion tool provides accurate results for all your measurement needs.

Quick Reference

1 Square Fermi = 0.010000 Barn

1 Barn = 100.0000 Square Fermi

Square Fermi to Barn Conversion Formula

To convert Square Fermi to Barn, multiply by 0.010000.

Barn = Square Fermi × 0.010000

Square Fermi = Barn × 100.0000

To convert Barn back to Square Fermi, divide by 0.010000 (or multiply by 100.0000).

About These Units

About Square Fermi

The square fermi is a unit of area equal to the area of a square with sides of one fermi (femtometer). It is used in nuclear physics for measuring nuclear cross-sections and interactions.

About Barn

The Barn is a slightly humorous unit of area used in nuclear physics. When atoms are bombarded with smaller particles such as electrons, the electrons are scattered as if the nucleus of the atom was a tiny solid object. The barn is used to express the apparent cross-sectional area of this scattering object. One barn is equal to 1E-28 square meters. Using this unit, physicists can say that such and such a nucleus is "as big as a barn", or 10 barns, or whatever. The proper SI unit to use for these measurements is the square femtometer (fm2); one barn equals 100 fm2.

Square Fermi to Barn Conversion Table

Square Fermi	Barn	Barn	Square Fermi
0.1	1.000e-3	0.1	10.0000
0.5	5.000e-3	0.5	50.0000
1	0.010000	1	100.0000
2	0.020000	2	200.0000
5	0.050000	5	500.0000
10	0.100000	10	1000.00
20	0.200000	20	2000.00
25	0.250000	25	2500.00
50	0.500000	50	5000.00
100	1.0000	100	10000.00
250	2.5000	250	25000.00
500	5.0000	500	50000.00
1000	10.0000	1000	100000.00

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