Easy Unit Conversion

Barn, Area

Barn, symbol b, is a unit of area originally used in nuclear physics. Today it is used in all fields of high energy physics to express the cross sections of any scattering process. Barn is defined as 10−28 square meters.Read more

List of all Barn to other area units individual converters.
Convert  Barn

SI prefixed

Square exameter Em2 10-64
Square petameter Pm2 10-58
Square terameter Tm2 10-52
Square gigameter Gm2 10-46
Square megameter Mm2 10-40
Square kilometer km2 10-34
Square hectometer hm2 10-32
Square decameter dam2 10-30
Square meter m2 10-28
Square decimeter dm2 10-26
Square centimeter cm2 10-24
Square millimeter mm2 10-22
Square micrometer µm2 10-16
Square nanometer nm2 10-12
Square picometer pm2 0.0001
Square attometer am2 100000000


Township 1.0725×10-36
Section 3.861×10-35
Square mile mi2 3.861×10-35
Homestead 1.5444×10-34
Rood 9.8842×10-32
Acre ac 2.4711×10-32
US survey acre ac 2.471×10-32
Square chain 2.4711×10-31
Square pole 3.9537×10-30
Square rod 3.9537×10-30
Square perch 3.9537×10-30
Square yard yd2 1.196×10-28
Square foot ft2 1.0764×10-27
Square inch in2 1.55×10-25
Square mil 1.55×10-19


Hectare ha 10-32
Decare daa 10-31
Are a 10-30
Circular inch 1.9735×10-25
Circular mil 1.9735×10-19

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