Kilojoule to Electronvolt Converter
Convert Kilojoules to Electronvolts
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How to Convert Kilojoules to Electronvolts
To convert kilojoules to electronvolts (eV), multiply the number of kilojoules by 6.242 x 1021. This is because 1 kilojoule is equal to 1,000 joules, and 1 joule is equal to approximately 6.242 x 1018 eV.
Formula
Electronvolts = Kilojoules × (6.242 × 1021)
or
eV = kJ × 6.242e21
Step-by-step process
- Take the measurement in kilojoules
- Multiply that number by 6.242e21
- The result is the equivalent energy in electronvolts
Examples
- 1 kJ = 1 × 6.242e21 = 6.242 x 1021 eV
- 5 kJ = 5 × 6.242e21 = 3.121 x 1022 eV
- 10 kJ = 10 × 6.242e21 = 6.242 x 1022 eV
Common Kilojoules to Electronvolts Conversions
Here is a table of common conversions for quick reference:
| Kilojoules (kJ) | Electronvolts (eV) | Kilojoules (kJ) | Electronvolts (eV) |
|---|---|---|---|
| 1 | 6.242e+21 | 100 | 6.242e+23 |
| 5 | 3.121e+22 | 250 | 1.560e+24 |
| 10 | 6.242e+22 | 500 | 3.121e+24 |
| 25 | 1.560e+23 | 1,000 | 6.242e+24 |
| 50 | 3.121e+23 | 5,000 | 3.121e+25 |
Other conversions from kilojoules
Kilojoules can be converted to various other units of energy. Here are some common conversions:
Frequently Asked Questions
How many kilojoules are in an electronvolt?
There are 1.60218 x 10-22 kilojoules in one electronvolt.