The watt-minute is a lesser-known unit of energy, yet it plays a significant role in understanding everyday energy consumption. It is equivalent to 60 joules and is simply the amount of energy produced or consumed by a power of one watt over one minute. Although not commonly used in everyday measurements, watt-minutes can be instrumental in more precise energy calculations, such as for electrical appliances or industrial equipment, providing insights between larger units like kilowatt-hours and smaller units like joules.
Intriguingly, it takes roughly 15 watt-minutes to charge a modern smartphone for one minute of talk time. This highlights how even small units can offer a clearer perspective on our energy usage, encouraging us to be more mindful of our energy habits!
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.
| Watt-minutes | Megawatt-hours |
|---|---|
0
Wm
|
0
MWh
|
10
Wm
|
1.66667e-7
MWh
|
20
Wm
|
3.33333e-7
MWh
|
30
Wm
|
5e-7
MWh
|
40
Wm
|
6.66667e-7
MWh
|
50
Wm
|
8.33333e-7
MWh
|
60
Wm
|
0.000001
MWh
|
70
Wm
|
1.16667e-6
MWh
|
80
Wm
|
1.33333e-6
MWh
|
90
Wm
|
0.0000015
MWh
|
100
Wm
|
1.66667e-6
MWh
|
110
Wm
|
1.83333e-6
MWh
|
120
Wm
|
0.000002
MWh
|
130
Wm
|
2.16667e-6
MWh
|
140
Wm
|
2.33333e-6
MWh
|
150
Wm
|
0.0000025
MWh
|
160
Wm
|
2.66667e-6
MWh
|
170
Wm
|
2.83333e-6
MWh
|
180
Wm
|
0.000003
MWh
|
190
Wm
|
3.16667e-6
MWh
|
200
Wm
|
3.33333e-6
MWh
|
210
Wm
|
0.0000035
MWh
|
220
Wm
|
3.66667e-6
MWh
|
230
Wm
|
3.83333e-6
MWh
|
240
Wm
|
0.000004
MWh
|
250
Wm
|
4.16667e-6
MWh
|
260
Wm
|
4.33333e-6
MWh
|
270
Wm
|
0.0000045
MWh
|
280
Wm
|
4.66667e-6
MWh
|
290
Wm
|
4.83333e-6
MWh
|
300
Wm
|
0.000005
MWh
|
310
Wm
|
5.16667e-6
MWh
|
320
Wm
|
5.33333e-6
MWh
|
330
Wm
|
0.0000055
MWh
|
340
Wm
|
5.66667e-6
MWh
|
350
Wm
|
5.83333e-6
MWh
|
360
Wm
|
0.000006
MWh
|
370
Wm
|
6.16667e-6
MWh
|
380
Wm
|
6.33333e-6
MWh
|
390
Wm
|
0.0000065
MWh
|
400
Wm
|
6.66667e-6
MWh
|
410
Wm
|
6.83333e-6
MWh
|
420
Wm
|
0.000007
MWh
|
430
Wm
|
7.16667e-6
MWh
|
440
Wm
|
7.33333e-6
MWh
|
450
Wm
|
0.0000075
MWh
|
460
Wm
|
7.66667e-6
MWh
|
470
Wm
|
7.83333e-6
MWh
|
480
Wm
|
0.000008
MWh
|
490
Wm
|
8.16667e-6
MWh
|
500
Wm
|
8.33333e-6
MWh
|
510
Wm
|
0.0000085
MWh
|
520
Wm
|
8.66667e-6
MWh
|
530
Wm
|
8.83333e-6
MWh
|
540
Wm
|
0.000009
MWh
|
550
Wm
|
9.16667e-6
MWh
|
560
Wm
|
9.33333e-6
MWh
|
570
Wm
|
0.0000095
MWh
|
580
Wm
|
9.66667e-6
MWh
|
590
Wm
|
9.83333e-6
MWh
|
600
Wm
|
0.00001
MWh
|
610
Wm
|
1.01667e-5
MWh
|
620
Wm
|
1.03333e-5
MWh
|
630
Wm
|
0.0000105
MWh
|
640
Wm
|
1.06667e-5
MWh
|
650
Wm
|
1.08333e-5
MWh
|
660
Wm
|
0.000011
MWh
|
670
Wm
|
1.11667e-5
MWh
|
680
Wm
|
1.13333e-5
MWh
|
690
Wm
|
0.0000115
MWh
|
700
Wm
|
1.16667e-5
MWh
|
710
Wm
|
1.18333e-5
MWh
|
720
Wm
|
0.000012
MWh
|
730
Wm
|
1.21667e-5
MWh
|
740
Wm
|
1.23333e-5
MWh
|
750
Wm
|
0.0000125
MWh
|
760
Wm
|
1.26667e-5
MWh
|
770
Wm
|
1.28333e-5
MWh
|
780
Wm
|
0.000013
MWh
|
790
Wm
|
1.31667e-5
MWh
|
800
Wm
|
1.33333e-5
MWh
|
810
Wm
|
0.0000135
MWh
|
820
Wm
|
1.36667e-5
MWh
|
830
Wm
|
1.38333e-5
MWh
|
840
Wm
|
0.000014
MWh
|
850
Wm
|
1.41667e-5
MWh
|
860
Wm
|
1.43333e-5
MWh
|
870
Wm
|
0.0000145
MWh
|
880
Wm
|
1.46667e-5
MWh
|
890
Wm
|
1.48333e-5
MWh
|
900
Wm
|
0.000015
MWh
|
910
Wm
|
1.51667e-5
MWh
|
920
Wm
|
1.53333e-5
MWh
|
930
Wm
|
0.0000155
MWh
|
940
Wm
|
1.56667e-5
MWh
|
950
Wm
|
1.58333e-5
MWh
|
960
Wm
|
0.000016
MWh
|
970
Wm
|
1.61667e-5
MWh
|
980
Wm
|
1.63333e-5
MWh
|
990
Wm
|
0.0000165
MWh
|
1000
Wm
|
1.66667e-5
MWh
|
If you like the website, share it on social media.