Table Of Contents
Joules to kilojoules Conversion
1 joules (joule) is equal to 0.001 kilojoules (kJ).
1 joule = 0.001 kJ
or
1 kJ = 1000 joule
Formula
To convert a energy from joules (joule) to kilojoules (kJ), divide the energy in joules by 1000
e(kJ) = e(joule) / 1000
Examples:
Convert 100 joules to kilojoules:
e(kJ) = 100joule / 1000 = 0.1 kJ
Conversion table
| Joules (joule) | Kilojoules (kJ) |
|---|---|
| 1 joule | 0.001 kJ |
| 2 joule | 0.002 kJ |
| 3 joule | 0.003 kJ |
| 5 joule | 0.005 kJ |
| 10 joule | 0.01 kJ |
| 20 joule | 0.02 kJ |
| 25 joule | 0.025 kJ |
| 50 joule | 0.05 kJ |
| 100 joule | 0.1 kJ |
| 250 joule | 0.25 kJ |
| 500 joule | 0.5 kJ |
| 1000 joule | 1 kJ |
| Kilojoules (kJ) | Joules (joule) |
|---|---|
| 1 kJ | 1000 joule |
| 2 kJ | 2000 joule |
| 3 kJ | 3000 joule |
| 5 kJ | 5000 joule |
| 10 kJ | 10000 joule |
| 20 kJ | 20000 joule |
| 25 kJ | 25000 joule |
| 50 kJ | 50000 joule |
| 100 kJ | 100000 joule |
| 250 kJ | 250000 joule |
| 500 kJ | 500000 joule |
| 1000 kJ | 1000000 joule |
Frequently asked questions
How do I convert joules to kilojoules?
Divide the value in joules by 1000 to get the result in kilojoules. For example, 5 joule ÷ 1000 = 0.005 kJ.
How many kilojoules are in 1 joules?
1 joules (joule) is equal to 0.001 kilojoules (kJ).
How do I convert kilojoules back to joules?
Use the inverse operation: multiply the value in kilojoules by 1000 to get the result in joules.
How accurate is the joules to kilojoules conversion?
The converter multiplies by the conversion factor 1000 and rounds the result to 9 decimal places by default. You can increase or reduce the precision with the digits option on this page.
