Convert Electronvolts to Kilojoules
1 electronvolt = 1.602177e-22 kilojoules. Type any value below to convert in either direction — the calculation happens in your browser.
Electronvolts to Kilojoules formula
Multiply the number of electronvolts by 1.602177e-22 to get kilojoules.
kilojoules = electronvolts × 1.602177e-22To go the other way: divide the number of kilojoules by 1.602177e-22, or multiply by 6.241509e+21.
electronvolts = kilojoules ÷ 1.602177e-22Electronvolts to Kilojoules conversion table
| Electronvolts | Kilojoules |
|---|---|
| 1 eV | 1.602177e-22 kJ |
| 2 eV | 3.204353e-22 kJ |
| 3 eV | 4.806530e-22 kJ |
| 4 eV | 6.408707e-22 kJ |
| 5 eV | 8.010883e-22 kJ |
| 6 eV | 9.613060e-22 kJ |
| 7 eV | 1.121524e-21 kJ |
| 8 eV | 1.281741e-21 kJ |
| 9 eV | 1.441959e-21 kJ |
| 10 eV | 1.602177e-21 kJ |
| 15 eV | 2.403265e-21 kJ |
| 20 eV | 3.204353e-21 kJ |
| 25 eV | 4.005442e-21 kJ |
| 30 eV | 4.806530e-21 kJ |
| 40 eV | 6.408707e-21 kJ |
| 50 eV | 8.010883e-21 kJ |
| 75 eV | 1.201632e-20 kJ |
| 100 eV | 1.602177e-20 kJ |
| 250 eV | 4.005442e-20 kJ |
| 500 eV | 8.010883e-20 kJ |
| 1,000 eV | 1.602177e-19 kJ |
Kilojoules to Electronvolts conversion table
| Kilojoules | Electronvolts |
|---|---|
| 1 kJ | 6.241509e+21 eV |
| 2 kJ | 1.248302e+22 eV |
| 3 kJ | 1.872453e+22 eV |
| 4 kJ | 2.496604e+22 eV |
| 5 kJ | 3.120755e+22 eV |
| 6 kJ | 3.744905e+22 eV |
| 7 kJ | 4.369056e+22 eV |
| 8 kJ | 4.993207e+22 eV |
| 9 kJ | 5.617358e+22 eV |
| 10 kJ | 6.241509e+22 eV |
About the electronvolt
An electronvolt is the energy gained by one electron crossing a one-volt potential, the natural unit of particle physics.
About the kilojoule
A kilojoule is 1,000 joules and is how food energy is labelled in most of the world.
Frequently asked questions
How many kilojoules are in a electronvolt?
There are 1.602177e-22 kilojoules in one electronvolt.
How many electronvolts are in a kilojoule?
There are 6.241509e+21 electronvolts in one kilojoule.
Is this conversion exact?
The ratio between the electronvolt and the kilojoule is fixed by definition, so the conversion is exact — the figures shown here are rounded for readability only.
What is 10 electronvolts in kilojoules?
10 electronvolts equals 1.602177e-21 kilojoules.
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