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.
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.
Milliwatt-hours | Gigajoules |
---|---|
0
mWh
|
0
GJ
|
1000
mWh
|
0.0000036
GJ
|
2000
mWh
|
0.0000072
GJ
|
3000
mWh
|
0.0000108
GJ
|
4000
mWh
|
0.0000144
GJ
|
5000
mWh
|
0.000018
GJ
|
6000
mWh
|
0.0000216
GJ
|
7000
mWh
|
0.0000252
GJ
|
8000
mWh
|
0.0000288
GJ
|
9000
mWh
|
0.0000324
GJ
|
10000
mWh
|
0.000036
GJ
|
11000
mWh
|
0.0000396
GJ
|
12000
mWh
|
0.0000432
GJ
|
13000
mWh
|
0.0000468
GJ
|
14000
mWh
|
0.0000504
GJ
|
15000
mWh
|
0.000054
GJ
|
16000
mWh
|
0.0000576
GJ
|
17000
mWh
|
0.0000612
GJ
|
18000
mWh
|
0.0000648
GJ
|
19000
mWh
|
0.0000684
GJ
|
20000
mWh
|
0.000072
GJ
|
21000
mWh
|
0.0000756
GJ
|
22000
mWh
|
0.0000792
GJ
|
23000
mWh
|
0.0000828
GJ
|
24000
mWh
|
0.0000864
GJ
|
25000
mWh
|
0.00009
GJ
|
26000
mWh
|
0.0000936
GJ
|
27000
mWh
|
0.0000972
GJ
|
28000
mWh
|
0.0001008
GJ
|
29000
mWh
|
0.0001044
GJ
|
30000
mWh
|
0.000108
GJ
|
31000
mWh
|
0.0001116
GJ
|
32000
mWh
|
0.0001152
GJ
|
33000
mWh
|
0.0001188
GJ
|
34000
mWh
|
0.0001224
GJ
|
35000
mWh
|
0.000126
GJ
|
36000
mWh
|
0.0001296
GJ
|
37000
mWh
|
0.0001332
GJ
|
38000
mWh
|
0.0001368
GJ
|
39000
mWh
|
0.0001404
GJ
|
40000
mWh
|
0.000144
GJ
|
41000
mWh
|
0.0001476
GJ
|
42000
mWh
|
0.0001512
GJ
|
43000
mWh
|
0.0001548
GJ
|
44000
mWh
|
0.0001584
GJ
|
45000
mWh
|
0.000162
GJ
|
46000
mWh
|
0.0001656
GJ
|
47000
mWh
|
0.0001692
GJ
|
48000
mWh
|
0.0001728
GJ
|
49000
mWh
|
0.0001764
GJ
|
50000
mWh
|
0.00018
GJ
|
51000
mWh
|
0.0001836
GJ
|
52000
mWh
|
0.0001872
GJ
|
53000
mWh
|
0.0001908
GJ
|
54000
mWh
|
0.0001944
GJ
|
55000
mWh
|
0.000198
GJ
|
56000
mWh
|
0.0002016
GJ
|
57000
mWh
|
0.0002052
GJ
|
58000
mWh
|
0.0002088
GJ
|
59000
mWh
|
0.0002124
GJ
|
60000
mWh
|
0.000216
GJ
|
61000
mWh
|
0.0002196
GJ
|
62000
mWh
|
0.0002232
GJ
|
63000
mWh
|
0.0002268
GJ
|
64000
mWh
|
0.0002304
GJ
|
65000
mWh
|
0.000234
GJ
|
66000
mWh
|
0.0002376
GJ
|
67000
mWh
|
0.0002412
GJ
|
68000
mWh
|
0.0002448
GJ
|
69000
mWh
|
0.0002484
GJ
|
70000
mWh
|
0.000252
GJ
|
71000
mWh
|
0.0002556
GJ
|
72000
mWh
|
0.0002592
GJ
|
73000
mWh
|
0.0002628
GJ
|
74000
mWh
|
0.0002664
GJ
|
75000
mWh
|
0.00027
GJ
|
76000
mWh
|
0.0002736
GJ
|
77000
mWh
|
0.0002772
GJ
|
78000
mWh
|
0.0002808
GJ
|
79000
mWh
|
0.0002844
GJ
|
80000
mWh
|
0.000288
GJ
|
81000
mWh
|
0.0002916
GJ
|
82000
mWh
|
0.0002952
GJ
|
83000
mWh
|
0.0002988
GJ
|
84000
mWh
|
0.0003024
GJ
|
85000
mWh
|
0.000306
GJ
|
86000
mWh
|
0.0003096
GJ
|
87000
mWh
|
0.0003132
GJ
|
88000
mWh
|
0.0003168
GJ
|
89000
mWh
|
0.0003204
GJ
|
90000
mWh
|
0.000324
GJ
|
91000
mWh
|
0.0003276
GJ
|
92000
mWh
|
0.0003312
GJ
|
93000
mWh
|
0.0003348
GJ
|
94000
mWh
|
0.0003384
GJ
|
95000
mWh
|
0.000342
GJ
|
96000
mWh
|
0.0003456
GJ
|
97000
mWh
|
0.0003492
GJ
|
98000
mWh
|
0.0003528
GJ
|
99000
mWh
|
0.0003564
GJ
|
100000
mWh
|
0.00036
GJ
|
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