Convert electronvolts to joules
Electronvolts to joules. Enter a value to convert, or use the electronvolts to joules chart further down the page.
1 electronvolt equals 1.602176634e-19 joules. Going the other way, 1 joule = 6.241509074e18 electronvolts.
How to convert electronvolts to joules
To convert electronvolts to joules, multiply the electronvolt value by 1.602176634e-19. You can also divide by 6.241509074e18 to get the same answer.
J = eV × 1.602176634e-19
Worked example
Convert 15 eV to joules:
15 eV = 2.403264951e-18 J
electronvolts to joules conversion chart
Use this electronvolts to joules table for quick reference without typing anything.
| electronvolts (eV) | joules (J) |
|---|---|
| 0.01 eV | 1.602176634e-21 J |
| 0.1 eV | 1.602176634e-20 J |
| 1 eV | 1.602176634e-19 J |
| 2 eV | 3.204353268e-19 J |
| 3 eV | 4.806529902e-19 J |
| 5 eV | 8.01088317e-19 J |
| 10 eV | 1.602176634e-18 J |
| 20 eV | 3.204353268e-18 J |
| 50 eV | 8.01088317e-18 J |
| 100 eV | 1.602176634e-17 J |
| 1,000 eV | 1.602176634e-16 J |
What is a electronvolt?
The electronvolt (eV) is a unit of energy equal to 1.602176634e-19 joules.
What is a joule?
The joule is the SI unit of energy: the work done by a force of one newton acting over one meter.
Frequently asked questions
How many joules are in an electronvolt?
1 electronvolts equals 1.602176634e-19 joules. Going the other way, 1 joules is 6.241509074e18 electronvolts.
How do you convert electronvolts to joules?
To convert electronvolts to joules, multiply the electronvolt value by 1.602176634e-19. You can also divide by 6.241509074e18 to get the same answer.
What is 10 electronvolts in joules?
10 electronvolts equals 1.602176634e-18 joules. The conversion chart on this page lists the other values people look up most often.
Related energy conversions
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