Kilojoules to Joules Converter
Convert kilojoules (kJ) to joules (J) instantly. Type a value below; the result updates as you type. 1 kJ = 1,000 J.
How to convert kilojoules to joules
1 kJ = 1,000 J. To convert kilojoules to joules, multiply the value by 1,000.
joules = kilojoules × 1,000
Worked examples
- 5 kJ = 5,000 J
- 12 kJ = 12,000 J
- 100 kJ = 100,000 J
Common kilojoules to joules conversions
How many joules is 2 kJ?
2 kJ is equal to 2,000 J.
How many joules is 10 kJ?
10 kJ is equal to 10,000 J.
How many joules is 20 kJ?
20 kJ is equal to 20,000 J.
How many joules is 50 kJ?
50 kJ is equal to 50,000 J.
How many joules is 100 kJ?
100 kJ is equal to 100,000 J.
How many joules is 500 kJ?
500 kJ is equal to 500,000 J.
Kilojoules to joules conversion table
| Kilojoules (kJ) | Joules (J) |
|---|---|
| 1 kJ | 1,000 J |
| 2 kJ | 2,000 J |
| 3 kJ | 3,000 J |
| 4 kJ | 4,000 J |
| 5 kJ | 5,000 J |
| 6 kJ | 6,000 J |
| 7 kJ | 7,000 J |
| 8 kJ | 8,000 J |
| 9 kJ | 9,000 J |
| 10 kJ | 10,000 J |
| 15 kJ | 15,000 J |
| 20 kJ | 20,000 J |
| 25 kJ | 25,000 J |
| 30 kJ | 30,000 J |
| 40 kJ | 40,000 J |
| 50 kJ | 50,000 J |
| 75 kJ | 75,000 J |
| 100 kJ | 100,000 J |
| 250 kJ | 250,000 J |
| 500 kJ | 500,000 J |
| 1,000 kJ | 1,000,000 J |
Related conversions
Frequently asked questions
How many joules are in 1 kilojoule?
1 kilojoule (kJ) equals 1,000 joules (J).
How do I convert kilojoules to joules?
To convert kilojoules to joules, multiply the value by 1,000. For example, 5 kJ = 5,000 J.
How many kilojoules are in 1 joule?
1 joule (J) equals 0.001 kilojoules (kJ).