Convert Fathom (US Survey) (fath (US)) to Earth's Equatorial Radius (R⊕) instantly.
Fathom (US Survey) to Earth's Equatorial Radius conversion
1 Fathom (US Survey) (fath (US)) = 2.8672903e-7 Earth's Equatorial Radius (R⊕). To convert Fathom (US Survey) to Earth's Equatorial Radius, multiply the value by 2.8672903e-7.
| Fathom (US Survey) (fath (US)) | Earth's Equatorial Radius (R⊕) |
|---|---|
| 1 | 2.8672903e-7 |
| 2 | 5.7345807e-7 |
| 5 | 0.0000014336452 |
| 10 | 0.0000028672903 |
| 25 | 0.0000071682259 |
| 50 | 0.000014336452 |
| 100 | 0.000028672903 |
| 1000 | 0.00028672903 |
Frequently asked questions
How many Earth's Equatorial Radius are in one Fathom (US Survey)?
One Fathom (US Survey) (fath (US)) equals 2.8672903e-7 Earth's Equatorial Radius (R⊕).
How do I convert Fathom (US Survey) to Earth's Equatorial Radius?
To convert Fathom (US Survey) to Earth's Equatorial Radius, multiply the value by 2.8672903e-7.
What is 10 Fathom (US Survey) in Earth's Equatorial Radius?
10 Fathom (US Survey) = 0.0000028672903 Earth's Equatorial Radius.
About these units
Fathom (US Survey) (fath (US))
The US Survey Fathom is defined as 6 US Survey Feet (~1.8288 meters), identical in proportion to the traditional fathom but scaled to the US Survey Foot. Maritime surveys, early river navigation, and hydrographic measurements relied on this unit for determining depths and plotting charts. In terrestrial applications, the fathom occasionally served as a practical measure for large structures or obstacles. Although less relevant in contemporary usage, understanding the US survey fathom is crucial for interpreting historical navigation data, nautical charts, and engineering projects using older measurement systems.
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.