Convert X-unit to megameter
Please provide values below to convert X-unit [X] to megameter [Mm], or Convert megameter to X-unit.
How to Convert X-Unit to Megameter
1 X = 1.00208e-19 Mm
Example: convert 15 X to Mm:
15 X = 15 × 1.00208e-19 Mm = 1.50312e-18 Mm
X-Unit to Megameter Conversion Table
| X-unit | megameter |
|---|
X-Unit
An X-unit is a unit of length approximately equal to 1.002 x 10⁻¹³ meters.
History/Origin
The X-unit was proposed by the Swedish physicist Manne Siegbahn in 1919 for measuring the wavelengths of X-rays and gamma rays.
Current Use
The X-unit has been largely replaced by the angstrom and the picometer.
Megameter
A megameter is a unit of length in the metric system equal to 10^6 meters.
History/Origin
The prefix "mega-" for 10^6 was adopted by the CGPM (General Conference on Weights and Measures) in 1873.
Current Use
The megameter is sometimes used to specify the diameters of planets and the distances of satellites.