Convert inch to Earth's equatorial radius
Please provide values below to convert inch [in] to Earth's equatorial radius [R_e], or Convert Earth's equatorial radius to inch.
1 in = 3.98235409493e-09 R_e. To convert inch to Earth's equatorial radius, multiply the value by 3.98235409493e-09; to go the other way, divide by it (1 R_e = 251107755.906 in). Both units measure length and appear in everyday as well as technical calculations, so switching between them quickly is often useful.
Quick Reference
- 1 in = 3.98235409493e-09 R_e
- 1 R_e = 251107755.906 in
- 10 in = 3.98235409493e-08 R_e
- 100 in = 3.98235409493e-07 R_e
How to Convert Inch to Earth's Equatorial Radius
1 in = 3.98235409493399e-09 R_e
Example: convert 15 in to R_e:
15 in = 15 × 3.98235409493399e-09 R_e = 5.97353114240099e-08 R_e
Inch to Earth's Equatorial Radius Conversion Table
| inch | Earth's equatorial radius |
|---|---|
| 1 in | 3.98235409493e-09 R_e |
| 2 in | 7.96470818987e-09 R_e |
| 3 in | 1.19470622848e-08 R_e |
| 5 in | 1.99117704747e-08 R_e |
| 10 in | 3.98235409493e-08 R_e |
| 20 in | 7.96470818987e-08 R_e |
| 50 in | 1.99117704747e-07 R_e |
| 100 in | 3.98235409493e-07 R_e |
| 500 in | 1.99117704747e-06 R_e |
| 1000 in | 3.98235409493e-06 R_e |
Inch
An inch is a unit of length in the imperial and US customary systems of measurement. An inch was defined to be equivalent to exactly 25.4 millimeters in 1959. There are 12 inches in a foot and 36 inches in a yard.
History/Origin
The term "inch" was derived from the Latin unit "uncia" which was equivalent to "one-twelfth" of a Roman foot. The inch has had various standards throughout history, with the current definition being based on the international yard.
Current Use
The inch is mostly used in the United States, Canada, and the United Kingdom. It is also sometimes used in Japan (as well as other countries) in relation to electronic parts, like the size of display screens.
Earth's Equatorial Radius
The Earth's equatorial radius is the distance from the center of the Earth to the equator, approximately 6,378.1 kilometers.
History/Origin
The size and shape of the Earth have been a subject of study since ancient times. Modern measurements are made using satellite geodesy.
Current Use
The Earth's equatorial radius is a fundamental parameter in geodesy, geophysics, and astronomy. It is used in cartography and for defining the shape of the Earth.
Frequently Asked Questions
What is 1 inch in Earth's equatorial radius?
1 inch (in) = 3.98235409493e-09 Earth's equatorial radius (R_e).
How do you convert inch to Earth's equatorial radius?
Multiply the inch value by 3.98235409493e-09. For example, 25 in × 3.98235409493e-09 = 9.95588523733e-08 R_e.
What is 10 inch in Earth's equatorial radius?
10 in = 3.98235409493e-08 R_e.
Which unit is larger, the inch or the Earth's equatorial radius?
The Earth's equatorial radius is the larger unit: 1 in equals only 3.98235409493e-09 R_e.