Barn (b)Square rod (rd²)00GeneralArea

Units of measurement

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Barn (b)
Square rod (rd²)
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Information

Barn (b)
A barn (b) is a unit of area measurement used in nuclear physics to describe atomic nucleus cross-sections. 1 barn = 10⁻²⁸ m².
Square rod (rd²)
A square rod (rd²) is an old British unit of area, equal to 25.29 m² or 1/160 acre.

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