Convert Earth polar radius to link Online | Free Length Converter

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Earth Polar Radius


The Earth's polar radius is the distance from the center of the Earth to the North or South Pole. It measures the Earth’s radius along its rotational axis.



  • Its value is approximately 6,356.8 kilometers (about 3,949.9 miles).



  • The Earth is an oblate spheroid, so the polar radius is slightly shorter than the equatorial radius due to the planet's flattening at the poles.



  • This measurement is crucial for geodesy, understanding Earth’s shape, and satellite navigation.



Key facts:



  • Polar radius ≈ 6,356.8 km



  • Smaller than equatorial radius by about 21.3 km



  • Important for precise Earth modeling and mapping



The difference between the polar and equatorial radius reflects the Earth’s rotation and its effect on the planet’s shape.



Link


A link is a traditional unit of length used primarily in land surveying. It is defined as exactly 7.92 inches or approximately 20.1168 centimeters.


The link originated from Gunter's chain, a 66-foot measuring device introduced in 1620 by English mathematician Edmund Gunter. This chain was divided into 100 equal parts, each measuring one link. The link became a standard unit in English-speaking countries for surveying and land measurement.


Key Facts:



  • 1 link = 7.92 inches



  • 1 link ≈ 20.1168 cm



  • 25 links = 1 rod (16.5 feet)



  • 100 links = 1 chain (66 feet)



  • 1,000 links = 1 furlong (660 feet)



While the link has largely fallen out of general use, it remains a part of historical surveying practices and is still referenced in some legal and cadastral documents.



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