Electronvolts to Kilojoules: 1 eV equals 1.60218e-22 kJ. To convert electronvolts to kilojoules, multiply by 1.60218e-22 (kJ = eV × 1.6022e-22). For example, 10 eV = 1.60218e-21 kJ.
How to Convert Electronvolts to Kilojoules
To convert from electronvolts to kilojoules, multiply the value by 1.60218e-22. The conversion is linear, meaning doubling the input doubles the output.
Conversion Formula
- Electronvolts to Kilojoules:
kJ = eV × 1.6022e-22 - Kilojoules to Electronvolts:
eV = kJ ÷ 1.6022e-22
Electronvolts to Kilojoules Conversion Chart
| Electronvolts (eV) | Kilojoules (kJ) |
|---|---|
| 0.1 | 1.60218e-23 |
| 0.25 | 4.00544e-23 |
| 0.5 | 8.01088e-23 |
| 1 | 1.60218e-22 |
| 2 | 3.20435e-22 |
| 3 | 4.80653e-22 |
| 5 | 8.01088e-22 |
| 10 | 1.60218e-21 |
| 20 | 3.20435e-21 |
| 25 | 4.00544e-21 |
| 50 | 8.01088e-21 |
| 100 | 1.60218e-20 |
| 250 | 4.00544e-20 |
| 1000 | 1.60218e-19 |
Understanding the Units
What is an Electronvolt?
An electronvolt equals approximately 1.602 × 10⁻¹⁹ joules — the kinetic energy gained by a single electron accelerated through a one-volt potential difference.
Common contexts: particle physics, atomic spectroscopy, semiconductor band gaps.
What is a Kilojoule?
A kilojoule equals 1,000 joules.
Common contexts: nutrition labeling (outside US), mechanical engineering.