How to convert joules to eV
One joule is equal to 6.241509·1018 electron-volts:
1J = 6.241509e18 eV = 6.241509·1018 eV
So the energy in electron-volts E(eV) is equal to the energy in joules E(J) times 6.241509·1018:
E(eV) = E(J) × 6.241509·1018
Joules to eV conversion table
| Energy (J) | Energy (eV) |
|---|---|
| 1 J | 6.241509·1018 eV |
| 2 J | 1.248302·1019 eV |
| 3 J | 1.872453·1019 eV |
| 4 J | 2.496604·1019 eV |
| 5 J | 3.120755·1019 eV |
| 6 J | 3.744906·1019 eV |
| 7 J | 4.369057·1019 eV |
| 8 J | 4.993207·1019 eV |
| 9 J | 5.617358·1019 eV |
| 10 J | 6.241509·1019 eV |
| 20 J | 1.248302·1020 eV |
| 30 J | 1.872453·1020 eV |
| 40 J | 2.496604·1020 eV |
| 50 J | 3.120755·1020 eV |
| 60 J | 3.744906·1020 eV |
| 70 J | 4.369057·1020 eV |
| 80 J | 4.993207·1020 eV |
| 90 J | 5.617358·1020 eV |
| 100 J | 6.241509·1020 eV |
| 200 J | 1.248302·1021 eV |
| 300 J | 1.872453·1021 eV |
| 400 J | 2.496604·1021 eV |
| 500 J | 3.120755·1021 eV |
| 600 J | 3.744906·1021 eV |
| 700 J | 4.369057·1021 eV |
| 800 J | 4.993207·1021 eV |
| 900 J | 5.617358·1021 eV |
| 1000 J | 6.241509·1021 eV |