Electronvolt (eV) to Joule (J)

Convert Electronvolt (eV) to Joule (J) instantly with our free online converter. Enter a value and get the result immediately — no signup, no ads, works entirely in your browser.

How to use Electronvolt to Joule

1. Enter the value in Electronvolt (eV) in the input field.
2. The result in Joule (J) is calculated instantly as you type.
3. Copy the result using the Copy button or click Clear to start over.

What is Electronvolt to Joule?

FAQ

How do I convert Electronvolt to Joule?

Enter the value in Electronvolt in the input field above. The equivalent Joule value will be calculated automatically. Multiply the value in Electronvolt by 1.60218e-19 to get Joule.

What is the formula to convert eV to J?

1 eV = 1.60218e-19 J. Multiply the Electronvolt value by 1.60218e-19 to get Joule.

Is this converter accurate?

Yes, this converter uses standard conversion factors and provides results to high precision. All calculations happen in your browser using JavaScript's floating-point arithmetic.