Electron-volt to Joule
Free instant electron-volt to joule converter. 1 eV = 1.6022e-19 J.
Common Electron-volt to Joule values
| Electron-volt (eV) | Joule (J) |
|---|---|
| 1 | 1.6022e-19 |
| 5 | 8.0109e-19 |
| 10 | 1.6022e-18 |
| 25 | 4.0054e-18 |
| 50 | 8.0109e-18 |
| 100 | 1.6022e-17 |
| 500 | 8.0109e-17 |
| 1000 | 1.6022e-16 |
How does Electron-volt to Joule conversion work?
Type a value in the Electron-volt (eV) field and the equivalent in Joule (J) appears instantly to the right. The math uses the exact formula shown above — no rounding errors, no approximations beyond standard floating-point precision. Use the swap button to flip the units and see the inverse conversion.
Electron-volt. A tiny energy unit used in physics and chemistry. The energy gained by an electron through 1 volt of potential difference.
Joule. The SI unit of energy. About the energy of a small apple falling from waist height.
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Conversion factors come from the official standard (NIST, BIPM, ISO definitions where applicable). Values are precise to standard floating-point limits.
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