Convert kilojoule to electron-volt
Please provide values below to convert kilojoule [kJ] to electron-volt [eV], or Convert electron-volt to kilojoule.
1 kJ = 6.2415e+21 eV. To convert kilojoule to electron-volt, multiply the value by 6.2415e+21; to go the other way, divide by it (1 eV = 1.6022e-22 kJ). Both units measure energy and appear in everyday as well as technical calculations, so switching between them quickly is often useful.
Quick Reference
- 1 kJ = 6.2415e+21 eV
- 1 eV = 1.6022e-22 kJ
- 10 kJ = 6.2415e+22 eV
- 100 kJ = 6.2415e+23 eV
How to Convert Kilojoule to Electron-Volt
1 kJ = 6.24150907446076e+21 eV
Example: convert 15 kJ to eV:
15 kJ = 15 × 6.24150907446076e+21 eV = 9.36226361169114e+22 eV
Kilojoule to Electron-Volt Conversion Table
| kilojoule | electron-volt |
|---|---|
| 1 kJ | 6.2415e+21 eV |
| 2 kJ | 1.2483e+22 eV |
| 3 kJ | 1.8725e+22 eV |
| 5 kJ | 3.1208e+22 eV |
| 10 kJ | 6.2415e+22 eV |
| 20 kJ | 1.2483e+23 eV |
| 50 kJ | 3.1208e+23 eV |
| 100 kJ | 6.2415e+23 eV |
| 500 kJ | 3.1208e+24 eV |
| 1000 kJ | 6.2415e+24 eV |
Kilojoule
A kilojoule (kJ) is a unit of energy equal to 1,000 joules, used to quantify energy transfer or work done.
History/Origin
The kilojoule was introduced as part of the International System of Units (SI) to provide a convenient scale for measuring energy, especially in fields like nutrition and physics, replacing the joule for larger quantities.
Current Use
The kilojoule is widely used in nutrition to express food energy content, in physics and engineering to measure energy transfer, and in various scientific and industrial applications within the 'Energy' converter category.
Electron-Volt
An electron-volt (eV) is a unit of energy equal to the amount of kinetic energy gained or lost by an electron when it is accelerated through an electric potential difference of one volt.
History/Origin
The electron-volt was introduced in the early 20th century as a convenient unit for expressing atomic and subatomic energies, especially in quantum physics and particle physics, replacing larger units like the joule for small-scale energies.
Current Use
The electron-volt is widely used in physics and chemistry to quantify energies at the atomic and subatomic levels, such as in spectroscopy, particle physics, and quantum mechanics, due to its convenience in expressing small energy values.
Frequently Asked Questions
What is 1 kilojoule in electron-volt?
1 kilojoule (kJ) = 6.2415e+21 electron-volt (eV).
How do you convert kilojoule to electron-volt?
Multiply the kilojoule value by 6.2415e+21. For example, 25 kJ × 6.2415e+21 = 1.5604e+23 eV.
What is 10 kilojoule in electron-volt?
10 kJ = 6.2415e+22 eV.
Which unit is larger, the kilojoule or the electron-volt?
The kilojoule is the larger unit: 1 kJ = 6.2415e+21 eV.