Kilowatt-Hour to Joule Converter
Convert kilowatt-hour to joule instantly.
Standard energy units
joule 360000000
kilojoule 360000
calorie 86042065.01
kilocalorie 86042.065
watt-hour 100000
BTU 341212.822
Fun comparisons
apples eaten 🍎~ 1037.46
hours of 100W bulb 💡~ 1000
marathons run 🏃~ 122.88
full car tanks of fuel ⛽~ 0.22
How to convert kilowatt-hour to joule
Enter your energy value in kilowatt-hour and see the result in joule instantly. Key reference points: 1 food Calorie equals 1 kcal (4.184 kJ), and 1 kilowatt-hour equals 3600 kJ (860 kcal).
Kilowatt-hour is the electricity billing unit; joule is the SI energy unit used in physics. One kilowatt-hour equals 3,600,000 joules.
Need the opposite direction? Convert joule to kilowatt-hour just as easily, or explore all our energy conversions.
Common kilowatt-hour to joule conversions
| Kilowatt-Hour (kWh) | Joule (J) |
|---|---|
| 1 | 36 |
| 5 | 18 |
| 10 | 36 |
| 25 | 9 |
| 50 | 18 |
| 100 | 36 |
| 500 | 18 |
| 1000 | 36 |
Frequently asked questions
1 kilowatt-hour equals 36 joule.
Multiply by 36. For example, 5 kWh = 18 J.
A 3 kWh appliance uses 10,800,000 joules per hour.
1 joule equals 0.000000277778 kilowatt-hour.
100 kilowatt-hour equals 36 joule.