Electronvolt (eV)
The electronvolt is used in atomic, nuclear, and quantum physics for very small energies.
History: the electronvolt arose in particle physics as the energy of an electron crossing one volt of potential difference.
Quickly convert electronvolts to joules without lookup tables or manual math.
This page is focused on converting electronvolts to joules. Type a number into the first field and the result appears immediately in the second field.
Example: 1 eV = 0 J. Conversion formula: result = value × 1.602176634E-19 / 1.
Use this converter for everyday calculations, study notes, engineering checks, and quick value verification without installing a separate app.
The electronvolt is used in atomic, nuclear, and quantum physics for very small energies.
History: the electronvolt arose in particle physics as the energy of an electron crossing one volt of potential difference.
The joule is the SI unit of energy and connects mechanical work, heat, and electrical energy.
History: the joule is named after James Prescott Joule and is the SI unit of energy.
Enter a value in the Electronvolt field. The converter applies the formula "result = value × 1.602176634E-19 / 1" and immediately shows the result in joules.
1 eV = 0 J.
Yes. Use the swap button or choose the reverse pair from the full conversion list.