Area Converter
Result
... Barn = ... Square kilometer
Result
... Barn
=
... Square kilometer
Find the units to convert
Barn to Square kilometer Converter
Use this page to convert barn values into square kilometer, with background details, formulas, a worked example, and a quick conversion table.
Conversion formula
1 b = 1e-34 sq km
1 sq km = 1e+34 b
Example: 12 b = 1.2e-33 sq km
Barn
Barn (b) is represented in this converter as 1e-28 square meters.
History: Barn comes from atomic, nuclear, or particle physics measurement practice.
Current use: Barn is used in nuclear physics, scattering calculations, and microscopic cross-section comparisons.
Also written as b.
Square kilometer
A square kilometer equals one million square meters.
History: It is the large-area metric extension of the square meter.
Current use: Square kilometers are used for land area, maps, and regional statistics.
Also written as sq km, km2, sqkm, square kilometers, square kilometre, square kilometres.
Barn to Square kilometer table
| Barn [b] | Square kilometer [sq km] |
|---|
| 0.01 b | 1e-36 sq km |
| 0.1 b | 1e-35 sq km |
| 1 b | 1e-34 sq km |
| 2 b | 2e-34 sq km |
| 5 b | 5e-34 sq km |
| 10 b | 1e-33 sq km |
| 20 b | 2e-33 sq km |
| 50 b | 5e-33 sq km |
| 100 b | 1e-32 sq km |
