Convert Joule to Electronvolt
1 joule = 6.2415091e+18 electronvolts (J to eV).
Need to move between joules and electronvolts? A joule is larger than a electronvolt — one joule contains 6.24151e+18 electronvolts. One electronvolt works out to 1.60218e-19 joules in the other direction. The converter above does this in real time, and the reference chart lists the values that come up most often.
1 J = 6.2415091e+18 eV
How to convert Joules to Electronvolts
Multiply the joule value by 6.24151e+18 to get electronvolts.
Example: 10 joules = 6.24151e+19 electronvolts.
Joule to Electronvolt Conversion Chart
| Joules | Electronvolts |
|---|---|
| 1 J | 6.2415091e+18 eV |
| 2 J | 1.2483018e+19 eV |
| 3 J | 1.8724527e+19 eV |
| 5 J | 3.1207545e+19 eV |
| 10 J | 6.2415091e+19 eV |
| 20 J | 1.2483018e+20 eV |
| 25 J | 1.5603773e+20 eV |
| 50 J | 3.1207545e+20 eV |
| 100 J | 6.2415091e+20 eV |
| 1000 J | 6.2415091e+21 eV |
Frequently Asked Questions
- How many electronvolts are in a joule?
- There are 6.2415091e+18 electronvolts in 1 joule.
- How do you convert joules to electronvolts?
- Multiply the joule value by 6.24151e+18 to get electronvolts.
- What is 5 joules in electronvolts?
- 5 joules equals 3.1207545e+19 electronvolts.
- What is 100 joules in electronvolts?
- 100 joules equals 6.2415091e+20 electronvolts.
- What is 1 electronvolt in joules?
- 1 electronvolt equals 1.6021766e-19 joules.
- Is this joule to electronvolt converter free?
- Yes. The converter is free, needs no sign-up, and runs entirely in your browser — the values you enter never leave your device.