A gigawatt-hour (GWh) is a unit of energy representing one billion watt-hours, or one million kilowatt-hours. To put it into perspective, a single gigawatt-hour can power approximately 750,000 homes for an hour or a modest-sized city for a few hours! This unit is commonly used in measuring the output of power stations or the amount of electricity consumed over a span.
Interestingly, the largest solar farm in the world, Noor Abu Dhabi, boasts a capacity of about 1,177 gigawatts per year, reflecting how renewable energy advancements continue to scale. As nations transition to greener power, understanding energy units like the gigawatt-hour becomes crucial in evaluating our global energy impact and future sustainability targets.
The milliwatt-hour (mWh) might seem like a small unit of energy, but when you consider the burgeoning demand for portable technology, it plays a vital role in everyday electronics. This unit is commonly used to measure the energy capacity of small batteries, such as those found in smartphones, earbuds, and other miniature devices. Interestingly, even though a single milliwatt-hour is just a thousandth of a watt-hour, the overall efficiency of devices is often improved by optimizing such seemingly tiny units of energy.
For context, when you binge your favorite series on a compact digital device, you can thank the precise calculation of mWh for maximizing battery life without sacrificing performance. As technology advances, the milliwatt-hour will continue to dictate innovations in energy efficiency, making our devices smarter and more sustainable.
| Gigawatt-hours | Milliwatt-hours |
|---|---|
0
GWh
|
0
mWh
|
0.1
GWh
|
1e+11
mWh
|
0.2
GWh
|
2e+11
mWh
|
0.3
GWh
|
3e+11
mWh
|
0.4
GWh
|
4e+11
mWh
|
0.5
GWh
|
5e+11
mWh
|
0.6
GWh
|
6e+11
mWh
|
0.7
GWh
|
7e+11
mWh
|
0.8
GWh
|
8e+11
mWh
|
0.9
GWh
|
9e+11
mWh
|
1
GWh
|
1e+12
mWh
|
1.1
GWh
|
1.1e+12
mWh
|
1.2
GWh
|
1.2e+12
mWh
|
1.3
GWh
|
1.3e+12
mWh
|
1.4
GWh
|
1.4e+12
mWh
|
1.5
GWh
|
1.5e+12
mWh
|
1.6
GWh
|
1.6e+12
mWh
|
1.7
GWh
|
1.7e+12
mWh
|
1.8
GWh
|
1.8e+12
mWh
|
1.9
GWh
|
1.9e+12
mWh
|
2
GWh
|
2e+12
mWh
|
2.1
GWh
|
2.1e+12
mWh
|
2.2
GWh
|
2.2e+12
mWh
|
2.3
GWh
|
2.3e+12
mWh
|
2.4
GWh
|
2.4e+12
mWh
|
2.5
GWh
|
2.5e+12
mWh
|
2.6
GWh
|
2.6e+12
mWh
|
2.7
GWh
|
2.7e+12
mWh
|
2.8
GWh
|
2.8e+12
mWh
|
2.9
GWh
|
2.9e+12
mWh
|
3
GWh
|
3e+12
mWh
|
3.1
GWh
|
3.1e+12
mWh
|
3.2
GWh
|
3.2e+12
mWh
|
3.3
GWh
|
3.3e+12
mWh
|
3.4
GWh
|
3.4e+12
mWh
|
3.5
GWh
|
3.5e+12
mWh
|
3.6
GWh
|
3.6e+12
mWh
|
3.7
GWh
|
3.7e+12
mWh
|
3.8
GWh
|
3.8e+12
mWh
|
3.9
GWh
|
3.9e+12
mWh
|
4
GWh
|
4e+12
mWh
|
4.1
GWh
|
4.1e+12
mWh
|
4.2
GWh
|
4.2e+12
mWh
|
4.3
GWh
|
4.3e+12
mWh
|
4.4
GWh
|
4.4e+12
mWh
|
4.5
GWh
|
4.5e+12
mWh
|
4.6
GWh
|
4.6e+12
mWh
|
4.7
GWh
|
4.7e+12
mWh
|
4.8
GWh
|
4.8e+12
mWh
|
4.9
GWh
|
4.9e+12
mWh
|
5
GWh
|
5e+12
mWh
|
5.1
GWh
|
5.1e+12
mWh
|
5.2
GWh
|
5.2e+12
mWh
|
5.3
GWh
|
5.3e+12
mWh
|
5.4
GWh
|
5.4e+12
mWh
|
5.5
GWh
|
5.5e+12
mWh
|
5.6
GWh
|
5.6e+12
mWh
|
5.7
GWh
|
5.7e+12
mWh
|
5.8
GWh
|
5.8e+12
mWh
|
5.9
GWh
|
5.9e+12
mWh
|
6
GWh
|
6e+12
mWh
|
6.1
GWh
|
6.1e+12
mWh
|
6.2
GWh
|
6.2e+12
mWh
|
6.3
GWh
|
6.3e+12
mWh
|
6.4
GWh
|
6.4e+12
mWh
|
6.5
GWh
|
6.5e+12
mWh
|
6.6
GWh
|
6.6e+12
mWh
|
6.7
GWh
|
6.7e+12
mWh
|
6.8
GWh
|
6.8e+12
mWh
|
6.9
GWh
|
6.9e+12
mWh
|
7
GWh
|
7e+12
mWh
|
7.1
GWh
|
7.1e+12
mWh
|
7.2
GWh
|
7.2e+12
mWh
|
7.3
GWh
|
7.3e+12
mWh
|
7.4
GWh
|
7.4e+12
mWh
|
7.5
GWh
|
7.5e+12
mWh
|
7.6
GWh
|
7.6e+12
mWh
|
7.7
GWh
|
7.7e+12
mWh
|
7.8
GWh
|
7.8e+12
mWh
|
7.9
GWh
|
7.9e+12
mWh
|
8
GWh
|
8e+12
mWh
|
8.1
GWh
|
8.1e+12
mWh
|
8.2
GWh
|
8.2e+12
mWh
|
8.3
GWh
|
8.3e+12
mWh
|
8.4
GWh
|
8.4e+12
mWh
|
8.5
GWh
|
8.5e+12
mWh
|
8.6
GWh
|
8.6e+12
mWh
|
8.7
GWh
|
8.7e+12
mWh
|
8.8
GWh
|
8.8e+12
mWh
|
8.9
GWh
|
8.9e+12
mWh
|
9
GWh
|
9e+12
mWh
|
9.1
GWh
|
9.1e+12
mWh
|
9.2
GWh
|
9.2e+12
mWh
|
9.3
GWh
|
9.3e+12
mWh
|
9.4
GWh
|
9.4e+12
mWh
|
9.5
GWh
|
9.5e+12
mWh
|
9.6
GWh
|
9.6e+12
mWh
|
9.7
GWh
|
9.7e+12
mWh
|
9.8
GWh
|
9.8e+12
mWh
|
9.9
GWh
|
9.9e+12
mWh
|
10
GWh
|
1e+13
mWh
|
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