Kilowatt-hours to Kilojoules Converter
Convert kilowatt-hours (kWh) to kilojoules (kJ)
Result
3,600 kJ
Kilojoules
1 kWh = 3,600 kJ
1 kWh in other units
- 1Enter a valueType the number to convert
- 2Pick the unitsChoose what to convert from and to
- 3Read the resultSee it in every other unit too
How to convert kilowatt-hours to kilojoules
One kilowatt-hour equals 3,600 kilojoules, so multiply the number of kilowatt-hours by 3,600.
kJ = kWh × 3,600
1 kWh = 3,600 kJ · 1 kJ = 0.0002777778 kWh
Worked example
To convert 5 kilowatt-hours to kilojoules: 5 kWh × 3,600 = 18,000 kJ.
About kilowatt-hours (kWh)
A kilowatt-hour is 1,000 Wh. Electricity bills in India count kWh as “units”.
About kilojoules (kJ)
A kilojoule is 1,000 J. Food labels in many countries show energy in kJ alongside kcal.
More conversions
Kilowatt-hours to other units
Frequently asked questions
How many kilojoules are in one kilowatt-hour?
One kilowatt-hour equals 3,600 kilojoules.
How many kilowatt-hours are in one kilojoule?
One kilojoule equals 0.0002777778 kilowatt-hours.
How do I convert kilowatt-hours to kilojoules?
Use the formula kJ = kWh × 3,600. For example, 5 kWh × 3,600 = 18,000 kJ.