Electronvolt to Kilojoule Converter
Convert Electronvolts to Kilojoules
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How to Convert Electronvolts to Kilojoules
To convert electronvolts (eV) to kilojoules (kJ), multiply the number of electronvolts by 1.60218 x 10-22. This is because 1 eV is equal to 1.60218 x 10-19 joules, and 1 kilojoule is 1,000 joules.
Formula
Kilojoules = Electronvolts × (1.60218 × 10-22)
or
kJ = eV × 1.60218e-22
Step-by-step process
- Take the measurement in electronvolts
- Multiply that number by 1.60218e-22
- The result is the equivalent energy in kilojoules
Examples
- 1e21 eV = 1e21 × 1.60218e-22 = 0.1602 kJ
- 1e22 eV = 1e22 × 1.60218e-22 = 1.6022 kJ
- 1e23 eV = 1e23 × 1.60218e-22 = 16.022 kJ
Common Electronvolts to Kilojoules Conversions
Here is a table of common conversions for quick reference:
| Electronvolts (eV) | Kilojoules (kJ) | Electronvolts (eV) | Kilojoules (kJ) |
|---|---|---|---|
| 1e18 | 0.00016 | 1e22 | 1.6022 |
| 1e19 | 0.0016 | 1e23 | 16.022 |
| 1e20 | 0.016 | 1e24 | 160.22 |
| 1e21 | 0.1602 | 1e25 | 1,602.2 |
Other conversions from electronvolts
Electronvolts can be converted to various other units of energy. Here are some common conversions:
Frequently Asked Questions
How many electronvolts are in a kilojoule?
There are approximately 6.242 x 1021 electronvolts in one kilojoule.