Convert square centimeter [cm^2] to barn [b] Online | Free area Converter

Square Centimeter [cm²]


A square centimeter (cm²) is a unit of area that represents a square with sides 1 centimeter long. It is used to measure small surfaces like paper, labels, or tiny objects.

1 cm² = 0.0001 m².



Barn [b]


A barn (b) is a very small unit of area used mainly in nuclear and particle physics to measure the cross-sectional area of atomic nuclei and particles.

1 barn = 10⁻²⁸ square meters (m²).

The name "barn" humorously refers to something “as big as a barn” in the tiny world of atomic scales, despite its extremely small size.



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