Convert chain (US survey) to Bohr radius Online | Free Length Converter

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Chain (US Survey)


The US survey chain is a unit of length used historically in land surveying in the United States. It is defined as exactly 66 US survey feet, which is slightly longer than the international foot. Since one US survey foot equals about 0.3048006096 meters, the US survey chain is approximately 20.11684 meters long.


Like the standard chain, it is divided into 100 links, each measuring 0.66 US survey feet. The US survey chain was widely used in the Public Land Survey System to measure land parcels and boundaries.


Key facts:



  • 1 US survey chain = 66 US survey feet



  • 1 US survey chain ≈ 20.11684 meters



  • 10 US survey chains = 1 furlong



  • 80 US survey chains = 1 US survey mile



Though the US survey foot and chain are being phased out in favor of international units, the US survey chain still appears in historical land records and some legal contexts.


Bohr Radius


The Bohr radius is a fundamental physical constant that represents the average distance between the nucleus and the electron in a hydrogen atom in its ground state, according to the Bohr model of the atom.



  • Its value is approximately 5.29177 × 10⁻¹¹ meters (about 0.529 angstroms).



  • Named after physicist Niels Bohr, who introduced the model in 1913.



  • It sets a natural length scale in atomic physics and quantum mechanics.



  • Used to describe atomic sizes and electron orbitals.



Key facts:



  • Bohr radius ≈ 5.29 × 10⁻¹¹ m



  • Represents the typical size of a hydrogen atom’s electron orbit



  • Fundamental to quantum physics and atomic structure



The Bohr radius is essential for understanding atomic dimensions and quantum behavior of electrons.




No conversions available for length.

Convert chain (US survey) to Other Length Units

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