Megajoules To Megawatt Hours Conversion


1 MJ = 0.00027777777777778 MWh

Want to convert from megawatt hours to megajoules instead?

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How to convert megajoules to megawatt hours (MJ to MWh)

The formula for converting megajoules to megawatt hours is: MWh = MJ × 0.00027777777777778. To calculate the megajoule value in megawatt hours first substitute the megajoule value into the preceding formula, and then perform the calculation. If we wanted to calculate 1 megajoule in megawatt hours we follow these steps:

MWh = MJ × 0.00027777777777778

MWh = 1 × 0.00027777777777778

MWh = 0.00027777777777778

In other words, 1 megajoule is equal to 0.00027777777777778 megawatt hours.

Example Conversion

Let's take a look at an example. The step-by-step process to convert 9 megajoules to megawatt hours is:

  1. Understand the conversion formula: MWh = MJ × 0.00027777777777778
  2. Substitute the required value. In this case we substitute 9 for MJ so the formula becomes: MWh = 9 × 0.00027777777777778
  3. Calculate the result using the provided values. In our example the result is: 9 × 0.00027777777777778 = 0.00250000000000002 MWh

In summary, 9 megajoules is equal to 0.00250000000000002 megawatt hours.

Converting megawatt hours to megajoules

In order to convert the other way around i.e. megawatt hours to megajoules, you would use the following formula: MJ = MWh × 3600. To convert megawatt hours to megajoules first substitute the megawatt hour value into the above formula, and then execute the calculation. If we wanted to calculate 1 megawatt hour in megajoules we follow these steps:

MJ = MWh × 3600

MJ = 1 × 3600

MJ = 3600

Or in other words, 1 megawatt hour is equal to 3600 megajoules.

Conversion Unit Definitions

What is a Megajoule?

A megajoule (MJ) is a metric unit of energy in the International System of Units (SI). One megajoule is equal to 1,000,000 joules or 1×106 joules. The prefix "mega-" signifies a factor of one million, so a megajoule is a large unit of energy, often used in contexts where significant amounts of energy are involved.
Megajoules are commonly used in various scientific, engineering, and industrial applications to measure large quantities of energy. For instance, in the field of nutrition, the energy content of food is sometimes measured in megajoules per serving. In energy-related contexts, such as electricity generation or large-scale industrial processes, the energy output or consumption is often expressed in megajoules.

What is a Megawatt Hour?

A megawatt-hour (MWh) is a unit of energy equivalent to one million watt-hours or 1,000 kilowatt-hours. It is commonly used in the context of large-scale electricity generation, distribution, and consumption.
Mathematically, 1 megawatt-hour is equal to: 1 MWh = 1,000 kilowatt-hours (kWh) = 1,000,000 watt-hours (Wh).
Megawatt-hours are used by utility companies, industries, and large institutions to measure and quantify significant amounts of electricity. One megawatt-hour represents the energy consumption of one megawatt (1,000 kilowatts) of power over the course of one hour. It's a standard unit used to assess the energy output or consumption of power plants, estimate the electricity needs of cities, and calculate the efficiency and productivity of industrial processes.

Megajoules To Megawatt Hours Conversion Table

Below is a lookup table showing common megajoules to megawatt hours conversion values.

Megajoule (MJ)Megawatt Hour (MWh)
1 MJ0.00027777777777778 MWh
2 MJ0.00055555555555556 MWh
3 MJ0.00083333333333334 MWh
4 MJ0.00111111111111112 MWh
5 MJ0.0013888888888889 MWh
6 MJ0.00166666666666668 MWh
7 MJ0.00194444444444446 MWh
8 MJ0.00222222222222224 MWh
9 MJ0.00250000000000002 MWh
10 MJ0.0027777777777778 MWh
11 MJ0.00305555555555558 MWh
12 MJ0.00333333333333336 MWh
13 MJ0.00361111111111114 MWh

Other Common Megajoule Conversions

Below is a table of common conversions from megajoules to other energy units.

1 megajoule in joules1000000 J
1 megajoule in kilojoules1000 kJ
1 megajoule in gigajoules0.001 GJ
1 megajoule in calories238845.8966275 cal
1 megajoule in kilocalories238.8458966275 kcal
1 megajoule in watt hours277.77777777778 Wh
1 megajoule in kilowatt hours0.27777777777778 kWh
1 megajoule in btus947.08628903179 Btu