Convert Kilowatt-hour to Megajoules

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

Kilowatt-hour to Megajoules calculator

to
kWh
Megajoules
MJ

Kilowatt-hour to Megajoules formula

Use this formula to convert kilowatt-hour to megajoules:

Megajoules = Kilowatt-hour*3.6

Calculation

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

Kilowatt-hour to Megajoules Conversion Table

Reference values for converting Kilowatt-hour to Megajoules.

Kilowatt-hour (kWh)Megajoules (MJ)
0.1 kWh0.36 MJ
1 kWh3.6 MJ
2 kWh7.2 MJ
5 kWh18 MJ
10 kWh36 MJ
20 kWh72 MJ
50 kWh180 MJ
100 kWh360 MJ

Worked example

Convert 5 Kilowatt-hour to Megajoules

Megajoules = 5 × 3.6 = 18 Megajoules

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.

Megajoules

A Megajoule (MJ) is a unit of energy equal to 1,000,000 joules. It is commonly used to measure large quantities of energy in various scientific, engineering, and industrial contexts. One megajoule represents the amount of energy required to apply a force of one newton over a distance of one million meters, or the energy transferred when one megawatt of power is applied for one second. Megajoules are often used to quantify the energy content of fuels, the work done by large machines, and the energy used or produced in industrial processes, providing a standard measure for comparing significant energy transfers and consumption.