eV to kJ
Convert Electronvolt to Kilojoule
Convert Electronvolt to Kilojoule instantly with the tool above. The conversion factor is 1.602177e-22, meaning 1 electronvolt equals 1.602177e-22 kilojoules. Type any value and the result updates immediately — no ads, no page reloads, no clutter.
Type a number above. The result updates instantly — no buttons, no reloads.
1 Electronvolt = 1.602177e-22 kilojoules
1 Kilojoule = 6.241509e+21 electronvolts
Quick reference
Common electronvolts converted to kilojoules at a glance.
| eV | kJ |
|---|---|
| 1 | 1.602177e-22 |
| 2 | 3.204353e-22 |
| 5 | 8.010883e-22 |
| 10 | 1.602177e-21 |
| 25 | 4.005442e-21 |
| 50 | 8.010883e-21 |
| 100 | 1.602177e-20 |
| 500 | 8.010883e-20 |
| 1,000 | 1.602177e-19 |
How to convert electronvolts to kilojoules
To convert a value from electronvolts to kilojoules, multiply the electronvolt value by 1.602177e-22 kilojoules. For example, 10 electronvolts × that factor = 1.602177e-21 kilojoules.
This electronvolt to kilojoule converter runs entirely in your browser, so results appear instantly with no page reload, no advertisements and no sign-up.
Frequently asked questions
How many kilojoules are in 1 electronvolt?+
1 electronvolt is equal to 1.602177e-22 kilojoules.
How do you convert electronvolts to kilojoules?+
To convert electronvolts to kilojoules, multiply the electronvolt value by 1.602177e-22. For example, 10 electronvolts × 1.602177e-22 = 1.602177e-21 kilojoules.
What is the formula to convert electronvolts to kilojoules?+
Electronvolt → Kilojoule: value × 1.602177e-22. Equivalently, 1 electronvolt = 1.602177e-22 kilojoules.
Is this Electronvolt to Kilojoule converter free to use?+
Yes. This electronvolt to kilojoule converter is completely free, works instantly in your browser, and contains no advertisements, popups or sign-up.
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