Convert rood to barn [b] Online | Free area Converter

Rood


A rood is a historic unit of area used primarily in England and some other countries for measuring land.



  • 1 rood = 1/4 of an acre



  • 1 rood = 10,890 square feet ≈ 1,012 square meters



  • 4 roods = 1 acre



The rood was traditionally used for measuring small plots of land, especially in farming and real estate.


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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