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Long Reed


The long reed is an old English unit of length used primarily in measuring land, especially in agriculture and surveying. It is traditionally equal to 16.5 feet or 5.03 meters.


The long reed was used alongside other units like the rod, pole, and perch, often interchangeably, to measure distances and plot boundaries.


Key points:



  • 1 long reed = 16.5 feet ≈ 5.03 meters



  • Used historically in land measurement and agriculture



  • Equivalent or similar to the rod, pole, or perch



  • Important in English customary measurement systems



Though obsolete now, the long reed is part of the rich history of traditional English measurement units.



Fermi


A fermi is a unit of length used in nuclear physics to measure extremely small distances, such as the size of atomic nuclei. It is equal to 1 femtometer (fm), which is 10⁻¹⁵ meters.


The unit is named after the Italian physicist Enrico Fermi, known for his work in nuclear physics.


Key facts:



  • 1 fermi = 1 femtometer = 10⁻¹⁵ meters



  • Used to measure nuclear dimensions and particle sizes



  • Essential in the study of nuclear and particle physics



The fermi is vital for describing distances at the subatomic scale, much smaller than atoms and molecules.



Popular Length Unit Conversions

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Convert long reed to Other Length Units

🔄 long reed to centimeter
🔄 long reed to inch
🔄 long reed to millimeter
🔄 long reed to kilometer
🔄 long reed to decimeter
🔄 long reed to micrometer
🔄 long reed to nanometer
🔄 long reed to mile
🔄 long reed to yard
🔄 long reed to foot
🔄 long reed to light year
🔄 long reed to exameter
🔄 long reed to petameter
🔄 long reed to terameter
🔄 long reed to gigameter
🔄 long reed to megameter
🔄 long reed to hectometer
🔄 long reed to dekameter
🔄 long reed to micron
🔄 long reed to picometer
🔄 long reed to femtometer
🔄 long reed to attometer
🔄 long reed to megaparsec
🔄 long reed to kiloparsec
🔄 long reed to parsec
🔄 long reed to astronomical unit
🔄 long reed to league
🔄 long reed to nautical league
🔄 long reed to nautical league (int.)
🔄 long reed to league (statute)
🔄 long reed to nautical mile (UK)
🔄 long reed to nautical mile (international)
🔄 long reed to mile (statute)
🔄 long reed to mile (US survey)
🔄 long reed to mile (Roman)
🔄 long reed to kiloyard
🔄 long reed to furlong
🔄 long reed to furlong (US survey)
🔄 long reed to chain
🔄 long reed to chain (US survey)
🔄 long reed to rope
🔄 long reed to rod
🔄 long reed to rod (US survey)
🔄 long reed to perch
🔄 long reed to pole
🔄 long reed to fathom
🔄 long reed to fathom (US survey)
🔄 long reed to ell
🔄 long reed to foot (US survey)
🔄 long reed to link
🔄 long reed to link (US survey)
🔄 long reed to cubit (UK)
🔄 long reed to hand
🔄 long reed to span (cloth)
🔄 long reed to finger (cloth)
🔄 long reed to nail (cloth)
🔄 long reed to inch (US survey)
🔄 long reed to barleycorn
🔄 long reed to mil
🔄 long reed to microinch
🔄 long reed to angstrom
🔄 long reed to a.u. of length
🔄 long reed to X-unit
🔄 long reed to fermi
🔄 long reed to arpent
🔄 long reed to pica
🔄 long reed to point
🔄 long reed to twip
🔄 long reed to aln
🔄 long reed to famn
🔄 long reed to caliber
🔄 long reed to centiinch
🔄 long reed to ken
🔄 long reed to Russian archin
🔄 long reed to Roman actus
🔄 long reed to vara de tarea
🔄 long reed to vara conuquera
🔄 long reed to vara castellana
🔄 long reed to cubit (Greek)
🔄 long reed to reed
🔄 long reed to long cubit
🔄 long reed to handbreadth
🔄 long reed to fingerbreadth
🔄 long reed to Planck length
🔄 long reed to Electron radius (classical)
🔄 long reed to Bohr radius
🔄 long reed to Earth equatorial radius
🔄 long reed to Earth polar radius
🔄 long reed to Earths distance from sun
🔄 long reed to Suns radius
🔄 long reed to meter
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