Joule to Kilojoule
joule
kilojoule
joule to kilojoule Conversion Table
| joule (J) | kilojoule (kJ) | |
|---|---|---|
| 0.01 J | → | 0.00001 kJ |
| 0.1 J | → | 0.0001 kJ |
| 1.0 J | → | 0.001 kJ |
| 2.0 J | → | 0.002 kJ |
| 3.0 J | → | 0.003 kJ |
| 5.0 J | → | 0.005 kJ |
| 10.0 J | → | 0.01 kJ |
| 20.0 J | → | 0.02 kJ |
| 30.0 J | → | 0.03 kJ |
| 50.0 J | → | 0.05 kJ |
| 100.0 J | → | 0.1 kJ |
| 1000.0 J | → | 1.0 kJ |
Example Conversion
To convert from joule to kilojoule, multiply by 0.001.
For example: 22 joule = 22 × 0.001 = 0.022 kilojoule
Unit History
About joule
The joule is the SI unit of energy, named after James Prescott Joule for his work on the mechanical equivalent of heat. It links energy to force and distance in a single coherent framework.
About kilojoule
Kilojoules provide a practical metric scale for everyday energy quantities, appearing on nutrition labels, vehicle specifications, and scientific measurements.