Convert long reed to Earth equatorial radius Online | Free Length Converter

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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 β‰ˆ 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.



Earth Equatorial Radius


The Earth's equatorial radius is the distance from the center of the Earth to the equator. It represents the Earth's radius measured along the equatorial plane.



  • Its value is approximately 6,378.1 kilometers (about 3,963.2 miles).



  • The Earth is not a perfect sphere but an oblate spheroid, so the equatorial radius is slightly larger than the polar radius.



  • This radius is important for geodesy, satellite orbits, and mapping.



Key facts:



  • Equatorial radius β‰ˆ 6,378.1 km



  • Larger than polar radius due to Earth's flattening at the poles



  • Used in Earth sciences, navigation, and space missions



Understanding the Earth's equatorial radius helps in accurate modeling of the planet’s shape and gravitational field.



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