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

Quick Reference

1 Barn = 1.000e-46 Square Gigameter

1 Square Gigameter = 1e+46 Barn

Barn to Square Gigameter Conversion Formula

To convert Barn to Square Gigameter, multiply by 1.000e-46.

Square Gigameter = Barn × 1.000e-46

Barn = Square Gigameter × 1e+46

To convert Square Gigameter back to Barn, divide by 1.000e-46 (or multiply by 1e+46).

About These Units

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.

About Square Gigameter

The square gigameter is a unit of area equal to the area of a square with sides of one gigameter (10^9 meters). It represents an enormous area comparable to planetary surfaces.

Barn to Square Gigameter Conversion Table

Barn	Square Gigameter	Square Gigameter	Barn
0.1	1.000e-47	0.1	1.0000000000000001e+45
0.5	5.000e-47	0.5	5e+45
1	1.000e-46	1	1e+46
2	2.000e-46	2	2e+46
5	5.000e-46	5	5e+46
10	1.000e-45	10	1e+47
20	2.000e-45	20	2e+47
25	2.500e-45	25	2.5e+47
50	5.000e-45	50	5e+47
100	1.000e-44	100	1e+48
250	2.500e-44	250	2.5000000000000002e+48
500	5.000e-44	500	5.0000000000000004e+48
1000	1.000e-43	1000	1.0000000000000001e+49

Why Use Our Barn to Square Gigameter Converter?

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