Kilojoule to Kilowatt-hour Converter
Convert kilojoules to kilowatt-hours with this free energy converter. The exact relationship used on this page is 1 kilojoule = 0.000277777777778 kilowatt-hours. Type any number — the result updates instantly, works on phones and desktops, and is ready to copy into homework, a spec sheet, or a shopping list.
Formula: Kilowatt-hour = Kilojoule × 0.000277777777778
How to convert kilojoules to kilowatt-hours
- Enter the value in kilojoules in the converter.
- Read the equivalent amount in kilowatt-hours.
- Use the swap link if you need kilowatt-hour to kilojoule instead.
- Check the table for common values without typing.
Worked examples
- 1 kJ = 0.0002777777778 kWh
- 5 kJ = 0.001388888889 kWh
- 10 kJ = 0.002777777778 kWh
- 25 kJ = 0.006944444444 kWh
Conversion table
Common kilojoules values converted to kilowatt-hours.
| kJ | kWh |
|---|---|
| 1 | 0.0002777777778 |
| 2 | 0.0005555555556 |
| 3 | 0.0008333333333 |
| 4 | 0.001111111111 |
| 5 | 0.001388888889 |
| 6 | 0.001666666667 |
| 7 | 0.001944444444 |
| 8 | 0.002222222222 |
| 9 | 0.0025 |
| 10 | 0.002777777778 |
| 20 | 0.005555555556 |
| 50 | 0.01388888889 |
| 100 | 0.02777777778 |
| 250 | 0.06944444444 |
| 500 | 0.1388888889 |
| 1,000 | 0.2777777778 |
About this conversion
Kilojoule (kJ) and Kilowatt-hour (kWh) are both energy units. Energy converters connect food labels (kcal), electricity bills (kWh), physics (joules), and heating (BTU). Bookmark this URL when you convert kilojoules to kilowatt-hours often, then explore related pairs in the same category if you need a different target unit.
Need the other direction? Open the kilowatt-hour to kilojoule converter.
FAQ
How many kilowatt-hours are in 1 kilojoule?+
1 kilojoule equals 0.000277777777778 kilowatt-hours.
What is the formula to convert kilojoules to kilowatt-hours?+
Kilowatt-hour = Kilojoule × 0.000277777777778
How do I convert kilojoules to kilowatt-hours by hand?+
Multiply the kilojoule value by 0.000277777777778. Example: 10 kilojoules × 0.000277777777778 = 0.00277777777778 kilowatt-hours.
Is this kJ to kWh converter accurate?+
Yes. Linear conversions use internationally agreed factors relative to SI. Temperature and inverse fuel units use the standard offset or reciprocal formulas, not a guessed scale factor.