electronvolts to joules
1 eV = 1.602176634×10⁻¹⁹ J (exact); 1 J = 6.241509×10¹⁸ eV. To convert eV to joules, multiply by 1.602176634×10⁻¹⁹.
Open the interactive OmniConvert tool →Key facts
| 1 electronvolt | 1.602176634×10⁻¹⁹ J (exact) |
|---|---|
| 1 joule | 6.241509×10¹⁸ eV |
| 1 keV | 1.602176634×10⁻¹⁶ J |
| 1 MeV | 1.602176634×10⁻¹³ J |
Frequently asked questions
How many joules is 1 eV?
1 electronvolt equals exactly 1.602176634×10⁻¹⁹ joules, equal to the elementary charge in coulombs.
How do I convert eV to joules?
Multiply eV by 1.602176634×10⁻¹⁹. For example, 13.6 eV = 2.179×10⁻¹⁸ J.
Related pages
eV to joules is part of OmniConvert on GOAT Lab — a free reference you can use without signing up, and it works offline. Open the tool above for any custom value.
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