Electronvolt to Kilojoule Converter (eV to kJ)

How to Convert Electronvolt to Kilojoule

Formula: Kilojoule = Electronvolt × 1.6021766e-22

Example: 1 eV = 1.6021766e-22 kJ

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

Here is a closer look at what Electronvolt and Kilojoule are used for, plus answers to the questions people ask most about this conversion.

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

What is Electronvolt and Kilojoule?

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

A Kilojoule (kJ) equals 1,000 joules and is used on nutrition labels in many countries outside the US.

Real World Uses of Electronvolt to Kilojoule Conversion

• Electronvolt: Commonly used for expressing photon and light energy levels.
• Kilojoule: Commonly used for labeling food energy content in countries using the metric system.
• Electronvolt: Commonly used in chemistry and materials science to measure atomic and molecular energy levels.
• Kilojoule: Commonly used on food labels outside the US to state energy content per serving.

Frequently Asked Questions

What is the formula to convert Electronvolt to Kilojoule?

The formula is: Kilojoule = Electronvolt x 0. Multiply any Electronvolt value by 0 to get the equivalent in Kilojoule.

What is 1 Electronvolt in Kilojoule?

1 eV = 0 kJ.

How many Electronvolt are in 1 Kilojoule?

1 kJ = 6241509206912650000000 eV.

Is Electronvolt bigger or smaller than Kilojoule?

Electronvolt is smaller than Kilojoule. 1 Kilojoule = 6241509206912650000000 eV.

What is 1000000 eV in kJ?

1000000 eV = 1.602177e-16 kJ.

What is 1000 kJ in eV?

1000 kJ = 6.241509e+24 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.