How to Convert Joules to Kilojoules
To convert Joules to Kilojoules, divide the value by 1000.
The Formula
Kilojoules = Joules ÷ 1000
Key Fact
1 Kilojoule = 1000 Joules
Tip: To convert Kilojoules back to Joules, multiply by 1000.
Joules to Kilojoules
Convert Joules (J) to Kilojoules (kJ) with formulas, examples, and conversion tables.
J
kJ
1 Joules (J) = 0.001 Kilojoules (kJ)
Round to:
Step-by-Step Solution
1Write the conversion factor:
1 Kilojoule = 1000 Joules
2Divide the value by the conversion factor:
1 ÷ 1000 = 0.001
3Result:
1 Joules (J) = 0.001 Kilojoules (kJ)
Joules to Kilojoules Table
| Joules | Kilojoules |
|---|---|
| 1 J | 0.001 kJ |
| 2 J | 0.002 kJ |
| 5 J | 0.005 kJ |
| 10 J | 0.01 kJ |
| 20 J | 0.02 kJ |
| 25 J | 0.025 kJ |
| 50 J | 0.05 kJ |
| 100 J | 0.1 kJ |
| 250 J | 0.25 kJ |
| 500 J | 0.5 kJ |
| 1000 J | 1 kJ |
1 Joule in Other Units
| Unit | 1 J = |
|---|---|
| Joules to Kilojoules | 0.001 kJ |
| Joules to Megajoules | 1e-6 MJ |
| Joules to Gigajoules | 1e-9 GJ |
| Joules to Watt-hours | 0.000277777777778 Wh |
| Joules to Kilowatt-hours | 2.77777777778e-7 kWh |
| Joules to Megawatt-hours | 2.77777777778e-10 MWh |
| Joules to Calories | 0.239005736138 cal |
| Joules to Kilocalories | 0.000239005736138 kcal |
| Joules to BTU | 0.000947813394499 BTU |
| Joules to Therms | 9.47817120331e-9 therm |
| Joules to Foot-pounds | 0.737561033175 ft·lb |
| Joules to Electronvolts | 6.24149596175e18 eV |
| Joules to Ergs | 10000000 erg |