Convert Electron radius (classical) to kilometer

Please provide values below to convert Electron radius (classical) [r_e] to kilometer [km], or Convert kilometer to Electron radius (classical).

How to Convert Electron Radius (Classical) to Kilometer

1 r_e = 2.8179403262e-18 km

Example: convert 15 r_e to km:
15 r_e = 15 × 2.8179403262e-18 km = 4.2269104893e-17 km

Electron Radius (Classical) to Kilometer Conversion Table

Electron radius (classical)	kilometer

Electron Radius (Classical)

The classical electron radius is a quantity with the dimension of length, approximately 2.82 x 10⁻¹⁵ meters.

History/Origin

The classical electron radius is a concept from classical physics that attempts to model the electron as a spherical shell of charge. It is not considered the actual size of an electron.

Current Use

The classical electron radius appears in the Thomson scattering cross-section and is a useful length scale in atomic and high-energy physics.

Kilometer

A kilometer is a unit of length in the metric system, equal to one thousand meters.

History/Origin

The term "kilometer" is derived from the Greek words "khilioi" (thousand) and "metron" (measure). The kilometer was first defined as part of the metric system in France in 1795.

Current Use

The kilometer is the most widely used unit of distance for road signs and travel distances in the world, with the notable exceptions of the United States and the United Kingdom.

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