Kilojoules to Joules (kJ to J)
Convert kilojoules to joules with the calculator below. 1 kilojoule equals 1000 joules.
Reverse: Joules to Kilojoules (Joules to KJ) →
How to convert kilojoules to joules
Multiply the value in kilojoules by 1000. Formula: J = kJ x 1000.
1 kJ = 1000 J1 J = 0.001 kJ
Example
Convert 10 kilojoules to joules: 10 kJ = 10000 J.
KJ to Joules conversion table
| Kilojoules (kJ) | Joules (J) |
|---|---|
| 0.1 kJ | 100 J |
| 0.25 kJ | 250 J |
| 0.5 kJ | 500 J |
| 1 kJ | 1000 J |
| 2 kJ | 2000 J |
| 3 kJ | 3000 J |
| 4 kJ | 4000 J |
| 5 kJ | 5000 J |
| 6 kJ | 6000 J |
| 7 kJ | 7000 J |
| 8 kJ | 8000 J |
| 9 kJ | 9000 J |
| 10 kJ | 10000 J |
| 12 kJ | 12000 J |
| 15 kJ | 15000 J |
| 20 kJ | 20000 J |
| 25 kJ | 25000 J |
| 30 kJ | 30000 J |
| 40 kJ | 40000 J |
| 50 kJ | 50000 J |
| 75 kJ | 75000 J |
| 100 kJ | 100000 J |
| 250 kJ | 250000 J |
| 500 kJ | 500000 J |
| 1000 kJ | 1000000 J |
Convert kilojoules to other units
Convert other units to joules
- Calories to Joules
- Kcal to Joules
- Wh to Joules
- kWh to Joules
- BTU to Joules
- eV to Joules
- Foot Pounds to Joules
- Therms to Joules
Frequently asked questions
How many joules are in 1 kilojoule?
1 kilojoule = 1000 joules.
How do you convert kilojoules to joules?
Multiply the value in kilojoules by 1000. Formula: J = kJ x 1000.
How many kilojoules are in 1 joule?
1 joule = 0.001 kilojoules.