Electron-volts conversion

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  • eV

Unit of:

  • Energy and power

Worldwide use:

  • Widely used in nuclear, atomic and particle physics


One electron volt is the energy acquired by an electron when accelerated through a potential difference of 1 volt.It is equal to 1.602 × 10−19 joules.

Common references:

  • Visible light has photon energy of 1.6 eV to 3.4 eV

Usage context:

Commonly encountered when dealing with atomic and nuclear processes

Component units:

  • Commonly subdivided into millielectornvolts and microelectronvolts


  • There are 1,000,000 electronvolts in a Megaelectronvolt, the units can be further expanded into Gigaelectronvolt, etc.