Convert Kilowatt-hour to Kilojoules

Enter a value in kilowatt-hour to convert it to kilojoules. The result updates instantly and includes the formula and calculation steps.

Kilowatt-hour to Kilojoules calculator

to
kWh
Kilojoules
kJ

Kilowatt-hour to Kilojoules formula

Use this formula to convert kilowatt-hour to kilojoules:

Kilojoules = Kilowatt-hour*3.6e3

Calculation

Enter a valid number above to see the formula with your value substituted step by step.

Kilowatt-hour to Kilojoules Conversion Table

Reference values for converting Kilowatt-hour to Kilojoules.

Kilowatt-hour (kWh)Kilojoules (kJ)
0.1 kWh360 kJ
1 kWh3600 kJ
2 kWh7200 kJ
5 kWh18000 kJ
10 kWh36000 kJ
20 kWh72000 kJ
50 kWh180000 kJ
100 kWh360000 kJ

Worked example

Convert 5 Kilowatt-hour to Kilojoules

Kilojoules = 5 × 3.6e3 = 18000 Kilojoules

About these units

Kilowatt-hour

A Kilowatt-hour (kWh) is a unit of energy that measures the amount of electrical energy consumed or generated over time. One kilowatt-hour is equivalent to one kilowatt (1,000 watts) of power used or produced for one hour. This unit is commonly used to quantify energy usage in households, industries, and various devices. For example, if a 1,000-watt appliance runs for one hour, it consumes 1 kWh of energy. Kilowatt-hours are essential for understanding energy consumption, billing in electric utilities, and managing energy efficiency.

Kilojoules

A Kilojoule (kJ) is a unit of energy equal to 1,000 joules. It is commonly used to measure energy in various scientific and engineering contexts, as well as in nutrition to quantify the energy content of foods. One kilojoule is the amount of energy required to apply a force of one newton over a distance of one kilometer, or the energy transferred when one kilowatt of power is applied for one second. Kilojoules are used in fields such as physics, chemistry, and engineering to quantify work, heat, and energy, providing a standard measure for comparing energy content and transfer across different systems and processes.