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Watt-hour to Kilojoule

Convert measurements between Watt-hour and Kilojoule.

Common conversions

1Wh = 3.6 kJ
5Wh = 18 kJ
10Wh = 36 kJ
24Wh = 86.4 kJ
32Wh = 115.2 kJ
55Wh = 198 kJ

Conversion information

1 Watt-hour = 3.6 Kilojoule

Energy transferred by one watt for one hour.
One thousand joules, used in nutrition and science.

Frequently Asked Questions

What does the watt-hour measure?
It measures the amount of energy consumed or generated in one hour by a one-watt device.
Where is the watt-hour used?
In electricity, for billing and consumption of electrical devices.
How many joules are in a kilojoule?
One kilojoule equals 1,000 joules.
Where is the kilojoule used?
It is often used in nutrition to express the energy value of foods.