Convert kilowatt hour (kWh) to watt hour (Wh).
Watt Hour to Kilowatt Hour Converter (Wh to kWh)
Convert watt hour (Wh) to kilowatt hour (kWh).Unit Converter · Energy
Quick answer
1 watt hour (Wh) is equal to 0.001 kilowatt hours (kWh). 1 kilowatt hour (kWh) is equal to 1,000 watt hours (Wh).
To convert Wh to kWh, multiply the value in watt hours by 0.001 (or divide by 1,000). For example, 10 Wh = 0.01 kWh, and 100 Wh = 0.1 kWh.
Quick reference — watt hour to kilowatt hour
More in Energy
All Energy converters- EnergyOpen
Convert watt hour (Wh) to joule (J).
EnergyOpenConvert watt hour (Wh) to kilojoule (kJ).
EnergyOpenConvert watt hour (Wh) to calorie (cal).
EnergyOpenConvert watt hour (Wh) to kilocalorie (kcal).
EnergyOpenConvert watt hour (Wh) to BTU (BTU).
EnergyOpenConvert watt hour (Wh) to electronvolt (eV).
EnergyOpenConvert joule (J) to kilowatt hour (kWh).
EnergyOpenConvert kilojoule (kJ) to kilowatt hour (kWh).
EnergyOpen
How to convert watt hours to kilowatt hours
How many kilowatt hours are in a watt hour? 1 watt hour is 0.001 kilowatt hours. This free Wh to kWh converter and watt hour to kilowatt hour calculator gives the answer instantly for any value.
To convert watt hour (Wh) to kilowatt hour (kWh), multiply the value in watt hours by 0.001, or divide it by 1,000.
kWh = Wh × 0.001
- 1
Take the value in watt hours
For example, 25 Wh.
- 2
Multiply by 0.001
25 × 0.001.
- 3
Read the answer in kilowatt hours
25 Wh = 0.025 kWh.
Watt Hour to Kilowatt Hour conversion table
Common values from 1 to 1,000 watt hours converted to kilowatt hours.
| Watt Hour (Wh) | Kilowatt Hour (kWh) |
|---|---|
| 1 Wh | 0.001 kWh |
| 2 Wh | 0.002 kWh |
| 3 Wh | 0.003 kWh |
| 4 Wh | 0.004 kWh |
| 5 Wh | 0.005 kWh |
| 6 Wh | 0.006 kWh |
| 7 Wh | 0.007 kWh |
| 8 Wh | 0.008 kWh |
| 9 Wh | 0.009 kWh |
| 10 Wh | 0.01 kWh |
| 15 Wh | 0.015 kWh |
| 20 Wh | 0.02 kWh |
| 25 Wh | 0.025 kWh |
| Watt Hour (Wh) | Kilowatt Hour (kWh) |
|---|---|
| 30 Wh | 0.03 kWh |
| 40 Wh | 0.04 kWh |
| 50 Wh | 0.05 kWh |
| 60 Wh | 0.06 kWh |
| 70 Wh | 0.07 kWh |
| 75 Wh | 0.075 kWh |
| 80 Wh | 0.08 kWh |
| 90 Wh | 0.09 kWh |
| 100 Wh | 0.1 kWh |
| 250 Wh | 0.25 kWh |
| 500 Wh | 0.5 kWh |
| 1,000 Wh | 1 kWh |
About watt hours and kilowatt hours
Watt Hour (Wh)
A watt-hour (Wh) is the energy of one watt used for one hour, equal to 3,600 joules. Battery capacities are often given in Wh.
Kilowatt Hour (kWh)
A kilowatt-hour (kWh) is 1,000 watt-hours, or 3.6 million joules. It is the "unit" charged on household electricity bills.
Wh to kWh: common questions
- How many kilowatt hours are in 1 watt hour?
- 1 watt hour (Wh) is equal to 0.001 kilowatt hours (kWh). In short: 1 Wh = 0.001 kWh.
- How do I convert watt hours to kilowatt hours?
- To convert Wh to kWh, multiply the value in watt hours by 0.001 (or divide by 1,000). For example, 5 Wh = 0.005 kWh.
- How do I convert kilowatt hours to watt hours?
- To convert kWh to Wh, multiply the value in kilowatt hours by 1,000. Or open the Kilowatt Hour to Watt Hour converter, which does it for you.
- What is 10 Wh in kWh, and what is 100 Wh?
- 10 Wh = 0.01 kWh, and 100 Wh = 0.1 kWh. The table above lists more values from 1 to 1,000.
- Is this Wh to kWh converter accurate?
- Yes. It uses the exact conversion factor and shows results to as many as 8 decimal places, so you can rely on it for study, work and everyday measuring.
Kilowatt Hour to Watt Hour converter →All Energy converters →
Customize this calculator
Pick a look, copy the code, and this Watt Hour to Kilowatt Hour calculator — with its inputs and results — runs on your own website.
Theme color
Match your brand's colors
Corner style
Sharp, soft or fully rounded
Widget width
Compact, standard or full width
Live preview
Full widthThe same inputs, result and chart as the calculator above, styled with your choices.