Convert Earth's Polar Radius (R⊕ (p)) to Earth's Equatorial Radius (R⊕) instantly.
Earth's Polar Radius to Earth's Equatorial Radius conversion
1 Earth's Polar Radius (R⊕ (p)) = 0.99664747 Earth's Equatorial Radius (R⊕). To convert Earth's Polar Radius to Earth's Equatorial Radius, multiply the value by 0.99664747.
| Earth's Polar Radius (R⊕ (p)) | Earth's Equatorial Radius (R⊕) |
|---|---|
| 1 | 0.99664747 |
| 2 | 1.9932949 |
| 5 | 4.9832373 |
| 10 | 9.9664747 |
| 25 | 24.916187 |
| 50 | 49.832373 |
| 100 | 99.664747 |
| 1000 | 996.64747 |
Frequently asked questions
How many Earth's Equatorial Radius are in one Earth's Polar Radius?
One Earth's Polar Radius (R⊕ (p)) equals 0.99664747 Earth's Equatorial Radius (R⊕).
How do I convert Earth's Polar Radius to Earth's Equatorial Radius?
To convert Earth's Polar Radius to Earth's Equatorial Radius, multiply the value by 0.99664747.
What is 10 Earth's Polar Radius in Earth's Equatorial Radius?
10 Earth's Polar Radius = 9.9664747 Earth's Equatorial Radius.
About these units
Earth's Polar Radius (R⊕ (p))
The Earth's polar radius is approximately 6,356.8 km, slightly shorter than the equatorial radius due to the Earth's flattening at the poles. This measurement is critical in modeling Earth's shape, gravity field, and rotation. It impacts satellite orbits, geodetic surveys, and global positioning systems (GPS). The difference between the equatorial and polar radii also explains phenomena such as centrifugal force variations, equatorial bulges, and sea level differences across latitudes. Understanding R⊕ (p) is essential for precision navigation, Earth science, and astronomy.
Earth's Equatorial Radius (R⊕)
The Earth's equatorial radius is approximately 6,378.1 km. This distance represents the radius measured along the equator, where Earth's rotational bulge makes it slightly larger than the polar radius. Geodesists, cartographers, and astronomers use the equatorial radius for mapping, satellite positioning, and calculating gravitational effects. It is fundamental to defining the shape of the Earth as an oblate spheroid rather than a perfect sphere. Precise knowledge of R⊕ enables accurate navigation, climate modeling, and orbital calculations, forming the basis for modern geodesy and Earth observation systems.