To convert megawatt hours to kilojoules, multiply by 3600000.
The calculation uses 1 MWh = 3600000 kJ. Results are displayed to at most 10 significant digits. Definitions can be exact while a displayed decimal is rounded. Match the displayed precision to your original measurement.
The formula
value in kJ = value in MWh × 3600000
MWh- Input unit: megawatt hours
kJ- Output unit: kilojoules
How to use this calculator
- Enter a value in MWh.
- Multiply by the stored conversion factor.
- Read the result in kJ; divide by the same factor to convert back.
Worked examples
Worked conversion
1 MWh × 3600000 ≈ 3600000 kJ.
Reverse conversion
3600000 kJ ÷ 3600000 ≈ 1 MWh. Rounding intermediate values can change the last displayed digit.
Frequently asked questions
What factor does this converter use?
It uses 3600000 kJ per MWh.
Why can another converter show a slightly different answer?
Check the unit convention first (such as US versus Imperial or decimal versus binary), then compare rounding. Measurement uncertainty is separate from the unit conversion.
MWh to kJ table
| MWh | kJ (rounded) |
|---|---|
| 0 | 0 |
| 1 | 3600000 |
| 2 | 7200000 |
| 5 | 18000000 |
| 10 | 36000000 |
| 100 | 360000000 |
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