Energy
Kilojoule to Watt-hours
Convert kilojoule to watt-hours instantly.
About this conversion
Kilojoule (kJ) = 1.000 J. EU-madevaredeklarationer skal angive energiindhold i kJ. En voksen har et dagsbehov på ca. 8.400 kJ, en banan indeholder ca. 370 kJ, og et glas appelsinjuice ca. 450 kJ. Watt-hours (Wh) are used for battery capacity and electricity consumption reports. 3.6 kilojoule equal 1 Watt-hours. The converter above calculates the result instantly — you can also swap the units to convert in the other direction.
How to use
Enter a value in the kilojoule field and instantly see the result in watt-hours. Click the swap button to reverse the conversion.
Manual calculation
1 kilojoule = 0.27778 watt-hours. Example: 10 kJ = 2.7778 Wh.
Frequently asked questions
How do you convert kilojoule to watt-hours?
Divide the number of kilojoule by 3.6 to get watt-hours. Example: 50 kJ ÷ 3.6 = 13.889 Wh.
Are kilojoule bigger or smaller than watt-hours?
Kilojoule is smaller than Watt-hours. There are 3.6 kilojoule in one watt-hour, so the result is a smaller number when converting from kilojoule to watt-hours.
What is 10 kilojoule in watt-hours?
10 kJ equals 2.7778 Wh.
How many kilojoule are in 1 watt-hour?
1 Wh equals 3.6 kJ. This is the reverse conversion — useful if you have a value in watt-hours and want it in kilojoule.
What is kilojoule?
Kilojoule (kJ) = 1.000 J. EU-madevaredeklarationer skal angive energiindhold i kJ. En voksen har et dagsbehov på ca. 8.400 kJ, en banan indeholder ca. 370 kJ, og et glas appelsinjuice ca. 450 kJ.
What is watt-hour used for?
Watt-hours (Wh) are used for battery capacity and electricity consumption reports.