Convert Kilojoule to Kilowatt-hour

One kJ equals 0.0002777777778 kWh. This converter allows you to easily convert between Kilojoule and Kilowatt-hour in real time.

Formula

kJ × 0.0002777777778 = kWh

Example: 1 kJ = 0.0002777777778 kWh

What is Kilojoule?

The kilojoule equals 1,000 joules and is used for food energy labeling in Australia, New Zealand, and many other countries. A typical adult requires about 8,400 kJ (2,000 kcal) of food energy per day. In chemistry, enthalpy changes are commonly expressed in kJ per mole, and the heat of vaporization of water is approximately 2,257 kJ per kilogram.

What is Kilowatt-hour?

The kilowatt-hour equals 1,000 watt-hours and is the standard billing unit for household electricity. An average Japanese household uses about 300 kWh per month, and electricity costs roughly 25 to 40 yen per kWh. Electric vehicle batteries range from about 40 to 100 kWh, providing approximately 6 to 8 km of range per kWh. Solar panel output is also measured in kWh.