Electronvolt to Joule (eV to J)
Convert eV to J — Energy converter
One electronvolt equals 1.602000e-19 J, so to convert electronvolts to joules you multiply the value by 1.602000e-19. A electronvolt is smaller than a joule — going the other way, 1 J = 6.242197e+18 eV. For example, 10 eV = 1.602000e-18 J and 50 eV = 8.010000e-18 J.
1.602000e-19Click to copy
1 eV = 1.602000e-19 J
Electronvolt to Joule formula
1 Electronvolt = 1.602000e-19 J
Worked examples
- 25 eV = 4.005000e-18 J
- 100 eV = 1.602000e-17 J
Electronvolt to Joule conversion table
| Electronvolt (eV) | Joule (J) |
|---|---|
| 1 | 1.602000e-19 |
| 2 | 3.204000e-19 |
| 3 | 4.806000e-19 |
| 5 | 8.010000e-19 |
| 8 | 1.281600e-18 |
| 10 | 1.602000e-18 |
| 12 | 1.922400e-18 |
| 15 | 2.403000e-18 |
| 20 | 3.204000e-18 |
| 25 | 4.005000e-18 |
| 50 | 8.010000e-18 |
| 100 | 1.602000e-17 |
| 250 | 4.005000e-17 |
| 500 | 8.010000e-17 |
| 1000 | 1.602000e-16 |
Frequently asked questions
How many joules are in one electronvolt?
One electronvolt equals 1.602000e-19 joules (J).
How many electronvolts are in one joule?
One joule equals 6.242197e+18 electronvolts (eV).
How do you convert electronvolts to joules?
1 Electronvolt = 1.602000e-19 J. Use the calculator above for any value.
What is 5 eV in J?
5 eV = 8.010000e-19 J.
What is 100 eV in J?
100 eV = 1.602000e-17 J.
What is 10 eV in J?
10 eV = 1.602000e-18 J.
What is 20 eV in J?
20 eV = 3.204000e-18 J.
Is a electronvolt bigger than a joule?
No. A electronvolt is smaller — one electronvolt equals 1.602000e-19 joules, while one joule equals 6.242197e+18 electronvolts.