Convert kilojoules to joules
Instantly convert kilojoules to joules using our free online calculator. See the formula and a full reference table below.
1 kilojoule = 1000 joules
Formula:
kilojoules × 1000 = joulesKilojoule → Joule reference table
| kilojoules | joules |
|---|---|
| 1 kilojoule | 1000 joules |
| 2 kilojoules | 2000 joules |
| 5 kilojoules | 5000 joules |
| 10 kilojoules | 10000 joules |
| 25 kilojoules | 25000 joules |
| 50 kilojoules | 50000 joules |
| 100 kilojoules | 100000 joules |
| 250 kilojoules | 250000 joules |
| 500 kilojoules | 500000 joules |
| 1000 kilojoules | 1000000 joules |
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Frequently asked questions
How many joules are in 1 kilojoule?
1 kilojoule equals 1000 joules.
What is the formula to convert kilojoules to joules?
Multiply the number of kilojoules by 1000 to get the equivalent in joules.
Is this converter accurate?
Yes. All conversions use internationally recognized conversion factors with up to 6 decimal places of precision.