How to convert joules to electronvolts
Multiply the value in joules by 6.241509e18.
Example: 20 joules = 20 × 6.241509e18 = 1.248302e20 electronvolts.
Joules to electronvolts table
| joules | electronvolts |
|---|---|
| 0.01 | 6.241509e16 |
| 0.1 | 6.241509e17 |
| 0.5 | 3.120755e18 |
| 1 | 6.241509e18 |
| 2 | 1.248302e19 |
| 3 | 1.872453e19 |
| 4 | 2.496604e19 |
| 5 | 3.120755e19 |
| 6 | 3.744905e19 |
| 7 | 4.369056e19 |
| 8 | 4.993207e19 |
| 9 | 5.617358e19 |
| 10 | 6.241509e19 |
| 15 | 9.362264e19 |
| 20 | 1.248302e20 |
| 25 | 1.560377e20 |
| 30 | 1.872453e20 |
| 50 | 3.120755e20 |
| 75 | 4.681132e20 |
| 100 | 6.241509e20 |
| 250 | 1.560377e21 |
| 500 | 3.120755e21 |
| 1,000 | 6.241509e21 |
What is a joule?
The joule (J) is a unit of energy, equal to 1 joule.
What is a electronvolt?
The electronvolt (eV) is a unit of energy, equal to 1.602177e-19 joules.
Frequently asked questions
How many electronvolts are in 1 joule?
1 joule = 6.241509e18 electronvolts.
How do I convert joules to electronvolts?
Multiply the value in joules by 6.241509e18.
What is 20 J in eV?
20 joules = 1.248302e20 electronvolts.