Kilowatt-Hour to Watt-Hour Converter
Convert kilowatt-hour to watt-hour 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 watt-hour
Enter your energy value in kilowatt-hour and see the result in watt-hour 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 standard electricity billing unit; watt-hour is used for smaller devices like batteries and LED bulbs. One kilowatt-hour equals 1000 watt-hours.
Need the opposite direction? Convert watt-hour to kilowatt-hour just as easily, or explore all our energy conversions.
Common kilowatt-hour to watt-hour conversions
| Kilowatt-Hour (kWh) | Watt-Hour (Wh) |
|---|---|
| 1 | 1000 |
| 5 | 5000 |
| 10 | 10000 |
| 25 | 25000 |
| 50 | 50000 |
| 100 | 1 |
| 500 | 5 |
| 1000 | 1 |
Frequently asked questions
1 kilowatt-hour equals 1000 watt-hour.
Multiply by 1000. For example, 5 kWh = 5000 Wh.
A 2.5 kWh battery holds 2500 watt-hours.
1 watt-hour equals 0.001 kilowatt-hour.
100 kilowatt-hour equals 1 watt-hour.