Table Of Contents
Kilojoules to joules Conversion
1 kilojoules (kJ) is equal to 1000 joules (joule).
1 kJ = 1000 joule
or
1 joule = 0.001 kJ
Formula
To convert a energy from kilojoules (kJ) to joules (joule), multiply the energy in kilojoules by 1000
e(joule) = e(kJ) × 1000
Examples:
Convert 500 kilojoules to joules:
e(joule) = 500kJ × 1000 = 500000 joule
Conversion table
| 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 |
| 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 |
Frequently asked questions
How do I convert kilojoules to joules?
Multiply the value in kilojoules by 1000 to get the result in joules. For example, 5 kJ × 1000 = 5000 joule.
How many joules are in 1 kilojoules?
1 kilojoules (kJ) is equal to 1000 joules (joule).
How do I convert joules back to kilojoules?
Use the inverse operation: divide the value in joules by 1000 to get the result in kilojoules.
How accurate is the kilojoules to joules 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.
