Enter the value in barns to get the conversion in square millimeters:
The barn is a special unit used in nuclear physics and particle physics to express cross sections. It is 10^-28 m². The square millimeter is a submultiple of the square meter. It is often used to measure quite small areas like a power cable section.

Other available unit conversions of areas

Convert barns to square decameters - b to dam2 Conversion of barns to square hectometers - b to hm2 Convert barns to square kilometers - b to km2 Conversion of barns to square yards - b to sq-yd Convert barns to square feet - b to sq-ft Conversion of square meters to square millimeters - m2 to mm2 Convert square decimeters to square millimeters - dm2 to mm2 Conversion of square centimeters to square millimeters - cm2 to mm2 Conversion of square decameters to square millimeters - dam2 to mm2
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