File & Data Converters
Kilojoules to Watt-Hours Converter
Enter a value in kilojoules to convert it to watt-hours, or switch units to convert the other way.
1 Kilojoules = 0.277778 Watt-hours
All Kilojoules conversions
Joules
1,000
Calories
239.005736
Kilocalories
0.239006
Watt-hours
0.277778
Kilowatt-hours
0.000278
How to use this tool
- 1Enter a value in kilojoules.
- 2The result in watt-hours updates instantly.
- 3Use the swap button to convert watt-hours to kilojoules instead.
Frequently asked questions
How many watt-hours is 1 kilojoule?+
1 kilojoule equals approximately 0.27778 watt-hours.