Convert X-unit to petameter

Please provide values below to convert X-unit [X] to petameter [Pm], or Convert petameter to X-unit.




How to Convert X-Unit to Petameter

1 X = 1.00208e-28 Pm

Example: convert 15 X to Pm:
15 X = 15 × 1.00208e-28 Pm = 1.50312e-27 Pm


X-Unit to Petameter Conversion Table

X-unit petameter

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.


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.



Convert X-unit To Other Length Units