Joule to Kilowatt-Hour Converter
Convert joule to kilowatt-hour instantly.
Standard energy units
kilojoule 0.1
calorie 23.901
kilocalorie 0.0239
watt-hour 0.0278
kilowatt-hour 0
BTU 0.0948
Fun comparisons
apples eaten 🍎~ Less than 0.01
hours of 100W bulb 💡~ Less than 0.01
marathons run 🏃~ Less than 0.01
full car tanks of fuel ⛽~ Less than 0.01
How to convert joule to kilowatt-hour
Enter your energy value in joule and see the result in kilowatt-hour instantly. Key reference points: 1 food Calorie equals 1 kcal (4.184 kJ), and 1 kilowatt-hour equals 3600 kJ (860 kcal).
Joule is the fundamental SI energy unit; kilowatt-hour is the unit on electricity bills measuring household energy use. One kilowatt-hour equals 3,600,000 joules.
Need the opposite direction? Convert kilowatt-hour to joule just as easily, or explore all our energy conversions.
Common joule to kilowatt-hour conversions
| Joule (J) | Kilowatt-Hour (kWh) |
|---|---|
| 1 | 0.000000277778 |
| 5 | 0.00000138889 |
| 10 | 0.00000277778 |
| 25 | 0.00000694444 |
| 50 | 0.0000138889 |
| 100 | 0.0000277778 |
| 500 | 0.000138889 |
| 1000 | 0.000277778 |
Frequently asked questions
1 joule equals 0.000000277778 kilowatt-hour.
Multiply by 0.000000277778. For example, 5 J = 0.00000138889 kWh.
18,000,000 joules equals 5 kilowatt-hours.
1 kilowatt-hour equals 36 joule.
100 joule equals 0.0000277778 kilowatt-hour.