Convert petameter to X-unit
Please provide values below to convert petameter [Pm] to X-unit [X], or Convert X-unit to petameter.
How to Convert Petameter to X-Unit
1 Pm = 9.97924317419767e+27 X
Example: convert 15 Pm to X:
15 Pm = 15 × 9.97924317419767e+27 X = 1.49688647612965e+29 X
Petameter to X-Unit Conversion Table
| petameter | X-unit |
|---|
Petameter
A petameter is a unit of length in the metric system equal to 10^15 meters.
History/Origin
The prefix "peta-" for 10^15 was adopted by the CGPM (General Conference on Weights and Measures) in 1975.
Current Use
The petameter is used for measuring distances on a galactic scale, such as the size of the Milky Way galaxy.
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.