The gigajoule (GJ) is a unit of energy equivalent to one billion joules. It offers a convenient metric for measuring substantial energy quantities and is frequently used in contexts like natural gas and electrical energy. For instance, one gigajoule can power an average household’s energy needs for about three days, depending on energy consumption habits. Interestingly, it’s also roughly equivalent to the energy contained in 26.8 gallons of gasoline, highlighting its significance in both domestic and industrial contexts.

Beyond its everyday applications, the gigajoule also plays a critical role in scientific fields. In the realm of seismology, for example, a moderate earthquake releases energy comparable to a few gigajoules, illustrating the vast power of natural phenomena. This demonstrates how understanding gigajoules can offer insights into both human technology and the forces of nature.

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The megawatt-hour (MWh) is a unit of energy that measures electricity production, consumption, or energy flow over time. It is commonly used to bill large-scale electricity consumers, such as factories or entire cities. To put it into perspective, one megawatt-hour can power about 330 homes for an hour or a single home for 330 hours! In the realm of renewable energy, just one megawatt-hour of wind energy can offset over 1,100 pounds of carbon dioxide emissions—a significant environmental benefit.

Moreover, the world’s energy needs are so vast that in 2022, global electricity consumption soared to over 26,000 terawatt-hours (TWh), where one terawatt-hour equates to one million megawatt-hours. This highlights how crucial units like the MWh are in understanding and managing our energy use and impact.

Gigajoules

Megawatt-hours

0 GJ

0 MWh

0.1 GJ

0.0277778 MWh

0.2 GJ

0.0555556 MWh

0.3 GJ

0.0833333 MWh

0.4 GJ

0.111111 MWh

0.5 GJ

0.138889 MWh

0.6 GJ

0.166667 MWh

0.7 GJ

0.194444 MWh

0.8 GJ

0.222222 MWh

0.9 GJ

0.25 MWh

1 GJ

0.277778 MWh

1.1 GJ

0.305556 MWh

1.2 GJ

0.333333 MWh

1.3 GJ

0.361111 MWh

1.4 GJ

0.388889 MWh

1.5 GJ

0.416667 MWh

1.6 GJ

0.444444 MWh

1.7 GJ

0.472222 MWh

1.8 GJ

0.5 MWh

1.9 GJ

0.527778 MWh

2 GJ

0.555556 MWh

2.1 GJ

0.583333 MWh

2.2 GJ

0.611111 MWh

2.3 GJ

0.638889 MWh

2.4 GJ

0.666667 MWh

2.5 GJ

0.694444 MWh

2.6 GJ

0.722222 MWh

2.7 GJ

0.75 MWh

2.8 GJ

0.777778 MWh

2.9 GJ

0.805556 MWh

3 GJ

0.833333 MWh

3.1 GJ

0.861111 MWh

3.2 GJ

0.888889 MWh

3.3 GJ

0.916667 MWh

3.4 GJ

0.944444 MWh

3.5 GJ

0.972222 MWh

3.6 GJ

1 MWh

3.7 GJ

1.02778 MWh

3.8 GJ

1.05556 MWh

3.9 GJ

1.08333 MWh

4 GJ

1.11111 MWh

4.1 GJ

1.13889 MWh

4.2 GJ

1.16667 MWh

4.3 GJ

1.19444 MWh

4.4 GJ

1.22222 MWh

4.5 GJ

1.25 MWh

4.6 GJ

1.27778 MWh

4.7 GJ

1.30556 MWh

4.8 GJ

1.33333 MWh

4.9 GJ

1.36111 MWh

5 GJ

1.38889 MWh

5.1 GJ

1.41667 MWh

5.2 GJ

1.44444 MWh

5.3 GJ

1.47222 MWh

5.4 GJ

1.5 MWh

5.5 GJ

1.52778 MWh

5.6 GJ

1.55556 MWh

5.7 GJ

1.58333 MWh

5.8 GJ

1.61111 MWh

5.9 GJ

1.63889 MWh

6 GJ

1.66667 MWh

6.1 GJ

1.69444 MWh

6.2 GJ

1.72222 MWh

6.3 GJ

1.75 MWh

6.4 GJ

1.77778 MWh

6.5 GJ

1.80556 MWh

6.6 GJ

1.83333 MWh

6.7 GJ

1.86111 MWh

6.8 GJ

1.88889 MWh

6.9 GJ

1.91667 MWh

7 GJ

1.94444 MWh

7.1 GJ

1.97222 MWh

7.2 GJ

2 MWh

7.3 GJ

2.02778 MWh

7.4 GJ

2.05556 MWh

7.5 GJ

2.08333 MWh

7.6 GJ

2.11111 MWh

7.7 GJ

2.13889 MWh

7.8 GJ

2.16667 MWh

7.9 GJ

2.19444 MWh

8 GJ

2.22222 MWh

8.1 GJ

2.25 MWh

8.2 GJ

2.27778 MWh

8.3 GJ

2.30556 MWh

8.4 GJ

2.33333 MWh

8.5 GJ

2.36111 MWh

8.6 GJ

2.38889 MWh

8.7 GJ

2.41667 MWh

8.8 GJ

2.44444 MWh

8.9 GJ

2.47222 MWh

9 GJ

2.5 MWh

9.1 GJ

2.52778 MWh

9.2 GJ

2.55556 MWh

9.3 GJ

2.58333 MWh

9.4 GJ

2.61111 MWh

9.5 GJ

2.63889 MWh

9.6 GJ

2.66667 MWh

9.7 GJ

2.69444 MWh

9.8 GJ

2.72222 MWh

9.9 GJ

2.75 MWh

10 GJ

2.77778 MWh

Conversion

Gigajoules to Watt-seconds

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Gigajoules to Watt-minutes

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Gigajoules to Watt-hours

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Gigajoules to Milliwatt-hours

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Gigajoules to Kilowatt-hours

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Gigajoules to Gigawatt-hours

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Gigajoules to Joules

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Gigajoules to Kilojoules

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Gigajoules to Megajoules

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Gigajoules to Calories

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Gigajoules to Kilocalories

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Gigajoules to Megawatt-hours Conversion

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> Gigajoules to Megawatt-hours Conversion Table

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