kJ to kWh
Convert Kilojoule to Kilowatt-hour
Convert Kilojoule to Kilowatt-hour instantly with the tool above. The conversion factor is 0.000277777778, meaning 1 kilojoule equals 0.000277777778 kilowatt-hours. Type any value and the result updates immediately — no ads, no page reloads, no clutter.
Type a number above. The result updates instantly — no buttons, no reloads.
1 Kilojoule = 0.000277777778 kilowatt-hours
1 Kilowatt-hour = 3,600 kilojoules
Quick reference
Common kilojoules converted to kilowatt-hours at a glance.
| kJ | kWh |
|---|---|
| 1 | 0.000277777778 |
| 2 | 0.000555555556 |
| 5 | 0.00138889 |
| 10 | 0.00277778 |
| 25 | 0.00694444 |
| 50 | 0.01388889 |
| 100 | 0.02777778 |
| 500 | 0.13888889 |
| 1,000 | 0.27777778 |
How to convert kilojoules to kilowatt-hours
To convert a value from kilojoules to kilowatt-hours, multiply the kilojoule value by 0.000277777778 kilowatt-hours. For example, 10 kilojoules × that factor = 0.00277778 kilowatt-hours.
This kilojoule to kilowatt-hour converter runs entirely in your browser, so results appear instantly with no page reload, no advertisements and no sign-up.
Frequently asked questions
How many kilowatt-hours are in 1 kilojoule?+
1 kilojoule is equal to 0.000277777778 kilowatt-hours.
How do you convert kilojoules to kilowatt-hours?+
To convert kilojoules to kilowatt-hours, multiply the kilojoule value by 0.000277777778. For example, 10 kilojoules × 0.000277777778 = 0.00277778 kilowatt-hours.
What is the formula to convert kilojoules to kilowatt-hours?+
Kilojoule → Kilowatt-hour: value × 0.000277777778. Equivalently, 1 kilojoule = 0.000277777778 kilowatt-hours.
Is this Kilojoule to Kilowatt-hour converter free to use?+
Yes. This kilojoule to kilowatt-hour converter is completely free, works instantly in your browser, and contains no advertisements, popups or sign-up.
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