electronvolts to joules
Convert electronvolt to joule — instant, free, with the formula shown.
1 eV=1.6022e-19 J
How to convert electronvolt to joule
To convert electronvolt to joule, multiply by 1.6022e-19:
J = eV × 1.6022e-19
For example, 10 eV × 1.6022e-19 = 1.6022e-18 J.
eV to J conversion table
| electronvolts (eV) | joules (J) |
|---|---|
| 1 eV | 1.6022e-19 J |
| 2 eV | 3.2044e-19 J |
| 5 eV | 8.0109e-19 J |
| 10 eV | 1.6022e-18 J |
| 25 eV | 4.0054e-18 J |
| 50 eV | 8.0109e-18 J |
| 100 eV | 1.6022e-17 J |
| 250 eV | 4.0054e-17 J |
| 500 eV | 8.0109e-17 J |
| 1000 eV | 1.6022e-16 J |
Other electronvolt conversions
Convert to joule from another unit
eV to J — frequently asked
How many joules are in 1 electronvolt?
1 electronvolt = 1.6022e-19 joules (eV × 1.6022e-19 = J).
What is the formula to convert electronvolt to joule?
Multiply your electronvolt value by 1.6022e-19 to get joule.
How do I convert 10 electronvolts to joules?
10 eV = 1.6022e-18 J. For 100 eV the answer is 1.6022e-17 J. Use the calculator on this page for any other value.