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.
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.
Megawatt-hours | Milliwatt-hours |
---|---|
0
MWh
|
0
mWh
|
0.1
MWh
|
1e+8
mWh
|
0.2
MWh
|
2e+8
mWh
|
0.3
MWh
|
3e+8
mWh
|
0.4
MWh
|
4e+8
mWh
|
0.5
MWh
|
5e+8
mWh
|
0.6
MWh
|
6e+8
mWh
|
0.7
MWh
|
7e+8
mWh
|
0.8
MWh
|
8e+8
mWh
|
0.9
MWh
|
9e+8
mWh
|
1
MWh
|
1e+9
mWh
|
1.1
MWh
|
1.1e+9
mWh
|
1.2
MWh
|
1.2e+9
mWh
|
1.3
MWh
|
1.3e+9
mWh
|
1.4
MWh
|
1.4e+9
mWh
|
1.5
MWh
|
1.5e+9
mWh
|
1.6
MWh
|
1.6e+9
mWh
|
1.7
MWh
|
1.7e+9
mWh
|
1.8
MWh
|
1.8e+9
mWh
|
1.9
MWh
|
1.9e+9
mWh
|
2
MWh
|
2e+9
mWh
|
2.1
MWh
|
2.1e+9
mWh
|
2.2
MWh
|
2.2e+9
mWh
|
2.3
MWh
|
2.3e+9
mWh
|
2.4
MWh
|
2.4e+9
mWh
|
2.5
MWh
|
2.5e+9
mWh
|
2.6
MWh
|
2.6e+9
mWh
|
2.7
MWh
|
2.7e+9
mWh
|
2.8
MWh
|
2.8e+9
mWh
|
2.9
MWh
|
2.9e+9
mWh
|
3
MWh
|
3e+9
mWh
|
3.1
MWh
|
3.1e+9
mWh
|
3.2
MWh
|
3.2e+9
mWh
|
3.3
MWh
|
3.3e+9
mWh
|
3.4
MWh
|
3.4e+9
mWh
|
3.5
MWh
|
3.5e+9
mWh
|
3.6
MWh
|
3.6e+9
mWh
|
3.7
MWh
|
3.7e+9
mWh
|
3.8
MWh
|
3.8e+9
mWh
|
3.9
MWh
|
3.9e+9
mWh
|
4
MWh
|
4e+9
mWh
|
4.1
MWh
|
4.1e+9
mWh
|
4.2
MWh
|
4.2e+9
mWh
|
4.3
MWh
|
4.3e+9
mWh
|
4.4
MWh
|
4.4e+9
mWh
|
4.5
MWh
|
4.5e+9
mWh
|
4.6
MWh
|
4.6e+9
mWh
|
4.7
MWh
|
4.7e+9
mWh
|
4.8
MWh
|
4.8e+9
mWh
|
4.9
MWh
|
4.9e+9
mWh
|
5
MWh
|
5e+9
mWh
|
5.1
MWh
|
5.1e+9
mWh
|
5.2
MWh
|
5.2e+9
mWh
|
5.3
MWh
|
5.3e+9
mWh
|
5.4
MWh
|
5.4e+9
mWh
|
5.5
MWh
|
5.5e+9
mWh
|
5.6
MWh
|
5.6e+9
mWh
|
5.7
MWh
|
5.7e+9
mWh
|
5.8
MWh
|
5.8e+9
mWh
|
5.9
MWh
|
5.9e+9
mWh
|
6
MWh
|
6e+9
mWh
|
6.1
MWh
|
6.1e+9
mWh
|
6.2
MWh
|
6.2e+9
mWh
|
6.3
MWh
|
6.3e+9
mWh
|
6.4
MWh
|
6.4e+9
mWh
|
6.5
MWh
|
6.5e+9
mWh
|
6.6
MWh
|
6.6e+9
mWh
|
6.7
MWh
|
6.7e+9
mWh
|
6.8
MWh
|
6.8e+9
mWh
|
6.9
MWh
|
6.9e+9
mWh
|
7
MWh
|
7e+9
mWh
|
7.1
MWh
|
7.1e+9
mWh
|
7.2
MWh
|
7.2e+9
mWh
|
7.3
MWh
|
7.3e+9
mWh
|
7.4
MWh
|
7.4e+9
mWh
|
7.5
MWh
|
7.5e+9
mWh
|
7.6
MWh
|
7.6e+9
mWh
|
7.7
MWh
|
7.7e+9
mWh
|
7.8
MWh
|
7.8e+9
mWh
|
7.9
MWh
|
7.9e+9
mWh
|
8
MWh
|
8e+9
mWh
|
8.1
MWh
|
8.1e+9
mWh
|
8.2
MWh
|
8.2e+9
mWh
|
8.3
MWh
|
8.3e+9
mWh
|
8.4
MWh
|
8.4e+9
mWh
|
8.5
MWh
|
8.5e+9
mWh
|
8.6
MWh
|
8.6e+9
mWh
|
8.7
MWh
|
8.7e+9
mWh
|
8.8
MWh
|
8.8e+9
mWh
|
8.9
MWh
|
8.9e+9
mWh
|
9
MWh
|
9e+9
mWh
|
9.1
MWh
|
9.1e+9
mWh
|
9.2
MWh
|
9.2e+9
mWh
|
9.3
MWh
|
9.3e+9
mWh
|
9.4
MWh
|
9.4e+9
mWh
|
9.5
MWh
|
9.5e+9
mWh
|
9.6
MWh
|
9.6e+9
mWh
|
9.7
MWh
|
9.7e+9
mWh
|
9.8
MWh
|
9.8e+9
mWh
|
9.9
MWh
|
9.9e+9
mWh
|
10
MWh
|
1e+10
mWh
|
If you like the website, share it on social media.