Convert Earth Radius to Thou
Convert Earth Radius (R⊕) to Thou (th) instantly and accurately.
Conversion Formula
th = R⊕ × 251106299200
About Earth Radius
The Earth radius (R⊕) is approximately 6.371 million meters or 6,371 kilometers, representing the average distance from Earth's center to its surface. Due to Earth's rotation, it's slightly flattened, with the equatorial radius being about 21 km larger than the polar radius. This fundamental measurement is crucial in geology, geography, and astronomy for calculating Earth's circumference (about 40,000 km), surface area, and volume. It's also used as a comparative unit for describing other planets and exoplanets.
About Thou
A thou (also called mil) is one thousandth of an inch, equal to 0.0254 millimeters or 25.4 micrometers. This unit is commonly used in engineering and manufacturing in countries that use imperial measurements, particularly for specifying tolerances, wire gauges, and thin material thicknesses. For example, a standard plastic bag might be 1-2 thou thick, a sheet of paper is about 4 thou, and precision machined parts often have tolerances measured in thou. Electronic circuit board copper traces are typically 1.4 thou thick.
Quick Reference Table
| Earth Radius (R⊕) | Thou (th) |
|---|---|
| 1 R⊕ | 2.511 × 1011 th |
| 2 R⊕ | 5.022 × 1011 th |
| 5 R⊕ | 1.256 × 1012 th |
| 10 R⊕ | 2.511 × 1012 th |
| 25 R⊕ | 6.278 × 1012 th |
| 50 R⊕ | 1.256 × 1013 th |
| 100 R⊕ | 2.511 × 1013 th |