Barns to Square millimeters conversion
Enter barns value you wish to convert:
Barn 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.
Square millimeters conversion
Square millimeter is a prefixed form of square meter used to denote sub multiples of the square meter.
1 square millimeter = 10-6 square meters