Convert Joules to Electronvolts
1 joule = 6.241509e+18 electronvolts. Type any value below to convert in either direction — the calculation happens in your browser.
Joules to Electronvolts formula
Multiply the number of joules by 6.241509e+18 to get electronvolts.
electronvolts = joules × 6.241509e+18To go the other way: divide the number of electronvolts by 6.241509e+18, or multiply by 1.602177e-19.
joules = electronvolts ÷ 6.241509e+18Joules to Electronvolts conversion table
| Joules | Electronvolts |
|---|---|
| 1 J | 6.241509e+18 eV |
| 2 J | 1.248302e+19 eV |
| 3 J | 1.872453e+19 eV |
| 4 J | 2.496604e+19 eV |
| 5 J | 3.120755e+19 eV |
| 6 J | 3.744905e+19 eV |
| 7 J | 4.369056e+19 eV |
| 8 J | 4.993207e+19 eV |
| 9 J | 5.617358e+19 eV |
| 10 J | 6.241509e+19 eV |
| 15 J | 9.362264e+19 eV |
| 20 J | 1.248302e+20 eV |
| 25 J | 1.560377e+20 eV |
| 30 J | 1.872453e+20 eV |
| 40 J | 2.496604e+20 eV |
| 50 J | 3.120755e+20 eV |
| 75 J | 4.681132e+20 eV |
| 100 J | 6.241509e+20 eV |
| 250 J | 1.560377e+21 eV |
| 500 J | 3.120755e+21 eV |
| 1,000 J | 6.241509e+21 eV |
Electronvolts to Joules conversion table
| Electronvolts | Joules |
|---|---|
| 1 eV | 1.602177e-19 J |
| 2 eV | 3.204353e-19 J |
| 3 eV | 4.806530e-19 J |
| 4 eV | 6.408707e-19 J |
| 5 eV | 8.010883e-19 J |
| 6 eV | 9.613060e-19 J |
| 7 eV | 1.121524e-18 J |
| 8 eV | 1.281741e-18 J |
| 9 eV | 1.441959e-18 J |
| 10 eV | 1.602177e-18 J |
About the joule
The joule is the SI unit of energy — the work done by one newton acting over one metre.
About the electronvolt
An electronvolt is the energy gained by one electron crossing a one-volt potential, the natural unit of particle physics.
Frequently asked questions
How many electronvolts are in a joule?
There are 6.241509e+18 electronvolts in one joule.
How many joules are in a electronvolt?
There are 1.602177e-19 joules in one electronvolt.
Is this conversion exact?
The ratio between the joule and the electronvolt is fixed by definition, so the conversion is exact — the figures shown here are rounded for readability only.
What is 10 joules in electronvolts?
10 joules equals 6.241509e+19 electronvolts.
Related energy conversions
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- Kilojoules to Electronvolts
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- Watt Hours to Electronvolts
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