Convert Kilojoule to Kiloelectronvolt
Enter the number of kilojoules that you want to convert to kiloelectronvolts.
How to Convert Kilojoules to Kiloelectronvolts
The kilojoule and kiloelectronvolt are both units of energy. By definition, 1 kilojoule equals exactly 6.2415090745e18 kiloelectronvolts. This means to convert kilojoules to kiloelectronvolts, you multiply by 6.2415090745e18.
Formula
Step-by-Step Example
Convert 5 kJ to kiloelectronvolts:
We need to convert kilojoules to kiloelectronvolts
Since 1 kJ = 6.2415090745e18 keV, multiply by 6.2415090745e18
5 × 6.2415090745e18 = 3.1207545372e19
5 kJ = 3.1207545372e19 keV
Kilojoule to Kiloelectronvolt Conversion Table
Quick reference table for common kilojoule to kiloelectronvolt conversions. Click any value for detailed calculation.
| Kilojoules (kJ) | Kiloelectronvolts (keV) |
|---|---|
| 0.1 kJ | 6.2415090745e17 keV |
| 0.5 kJ | 3.1207545372e18 keV |
| 1 kJ | 6.2415090745e18 keV |
| 2 kJ | 1.2483018149e19 keV |
| 5 kJ | 3.1207545372e19 keV |
| 10 kJ | 6.2415090745e19 keV |
| 25 kJ | 1.5603772686e20 keV |
| 50 kJ | 3.1207545372e20 keV |
| 100 kJ | 6.2415090745e20 keV |
About These Units
Kilojoule (kJ)
A kilojoule (kJ) equals 1,000 joules or approximately 239 calories. Kilojoules measure food energy on nutrition labels in Australia, Europe, and many countries. An average adult needs 8,400-10,000 kJ daily. One kJ equals approximately 0.239 kcal.
Kiloelectronvolt (keV)
A kiloelectronvolt (keV) equals 1,000 electronvolts. KeV measures X-ray energy (medical X-rays: 20-150 keV), electron microscope beam energy, and radiation dosimetry. Gamma rays from nuclear decay often have energies in keV to MeV range.
Frequently Asked Questions
How do I convert kilojoules to kiloelectronvolts?
To convert kilojoules to kiloelectronvolts, multiply the value by 6.2415090745e18. For example, 10 kJ = 6.2415090745e19 keV.
How many kiloelectronvolts are in 1 kilojoule?
1 kilojoule equals 6.2415090745e18 kiloelectronvolts.
What is the formula for kilojoules to kiloelectronvolts?
The formula is: keV = kJ × 6.2415090745e18.