Electronvolt to Joule Converter (eV to J)

How to Convert Electronvolt to Joule

Formula: Joule = Electronvolt × 1.6021766e-19

Example: 1 eV = 1.6021766e-19 J

You can also use the interactive converter above. Simply enter any Electronvolt value and the equivalent Joule value will appear instantly. Click the ⇄ button to reverse the conversion.

Knowing where Electronvolt and Joule come from makes the conversion easier to remember. Here is the context, plus a quick FAQ.

Step-by-step example — Convert 1 eV to J:

What is Electronvolt and Joule?

An Electronvolt (eV) is an extremely small energy unit used for particle and atomic-scale physics.

A Joule (J) is the SI unit of energy, used as the scientific standard for measuring work and heat.

Real World Uses of Electronvolt to Joule Conversion

• Electronvolt: Commonly used for expressing photon and light energy levels.
• Joule: Commonly used for measuring electrical and mechanical energy in engineering.
• Electronvolt: Commonly used in chemistry and materials science to measure atomic and molecular energy levels.
• Joule: Commonly used in physics and engineering as the SI base unit for work and energy.

Frequently Asked Questions

What is the formula to convert Electronvolt to Joule?

The formula is: Joule = Electronvolt x 0.00000000000000000016. Multiply any Electronvolt value by 0.00000000000000000016 to get the equivalent in Joule.

What is 1 Electronvolt in Joule?

1 eV = 0.00000000000000000016 J.

How many Electronvolt are in 1 Joule?

1 J = 6241509206912650000 eV.

Is Electronvolt bigger or smaller than Joule?

Electronvolt is smaller than Joule. 1 Joule = 6241509206912650000 eV.

What is 1000000 eV in J?

1000000 eV = 1.602177e-13 J.

What is 5000 J in eV?

5000 J = 3.120755e+22 eV.

Why is the electronvolt useful in physics?

Electronvolts let physicists describe extremely small particle energies with convenient numbers instead of writing out tiny fractions of a joule every time.