⚡ Energy & Calories

Convert watt-hours to kilojoules (Energy)

1 Wh = 3.6 kJ. Convert watt-hours to kilojoules instantly with the converter below.

Value

Result —

How to convert

Multiply the value (Wh) by 3.6 to get kJ — example: 5 Wh = 18 kJ

Conversion table

Watt-hours to kilojoules conversion table
Watt-hour	Kilojoule
1 Wh	3.6 kJ
2 Wh	7.2 kJ
5 Wh	18 kJ
10 Wh	36 kJ
50 Wh	180 kJ
100 Wh	360 kJ
250 Wh	900 kJ
500 Wh	1,800 kJ
1,000 Wh	3,600 kJ
2,000 Wh	7,200 kJ

About the units

Watt-hour — symbol Wh.
Kilojoule — symbol kJ.

Frequently asked questions

How many kilojoules are in 1 watt-hour?

1 Wh = 3.6 kJ.

How do I convert watt-hours to kilojoules?

Multiply the value (Wh) by 3.6 to get kJ.

How many watt-hours are in 1 kilojoule?

1 kJ = 0.277778 Wh.

Is the conversion accurate?

Yes. It uses the standard international conversion factors and runs entirely in your browser, uploading no data.

Related conversions

Reverse: kilojoules to watt-hours

Watt-hours to other units

watt-hours to joules watt-hours to calories watt-hours to kilocalories watt-hours to kilowatt-hours watt-hours to BTU

Other units to kilojoules

joules to kilojoules calories to kilojoules kilocalories to kilojoules kilowatt-hours to kilojoules BTU to kilojoules

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