Convert electron volt to joule
1 eV = 1.602176634e-19 J
1 eV = 1.60e-19 J
1 eV in every energy unit
| joule | 1.60e-19 J |
| kilojoule | 1.60e-22 kJ |
| megajoule | 1.60e-25 MJ |
| calorie | 3.83e-20 cal |
| kilocalorie | 3.83e-23 kcal |
| watt-hour | 4.45e-23 Wh |
| kilowatt-hour | 4.45e-26 kWh |
| British thermal unit | 1.52e-22 BTU |
| foot-pound | 1.18e-19 ft⋅lb |
| electron volt | 1 eV |
| kiloelectron volt | 0.001 keV |
| megaelectron volt | 0.000001 MeV |
How the conversion works
Multiply by 1.602176634e-19 to go from electron volt to joule, or divide by it to go back. Every conversion on this site routes through the SI value (J) rather than a table of pairwise factors, so a round-trip returns exactly what you started with.
Going the other way? joule to electron volt — 1 J = 6.241509074e+18 eV.
electron volt to joule — common values
| 1 eV | 1.6021766e-19 J |
| 2 eV | 3.2043533e-19 J |
| 3 eV | 4.8065299e-19 J |
| 5 eV | 8.0108832e-19 J |
| 10 eV | 1.6021766e-18 J |
| 15 eV | 2.4032650e-18 J |
| 20 eV | 3.2043533e-18 J |
| 25 eV | 4.0054416e-18 J |
| 50 eV | 8.0108832e-18 J |
| 75 eV | 1.2016325e-17 J |
| 100 eV | 1.6021766e-17 J |
| 250 eV | 4.0054416e-17 J |
| 500 eV | 8.0108832e-17 J |
| 1000 eV | 1.6021766e-16 J |