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.
A megajoule, equivalent to one million joules, is a versatile unit of energy that may be more integral to your daily life than you realize. For instance, the energy stored in a liter of gasoline is approximately 34.2 megajoules, which is why this measure often underpins discussions in energy industries. Interestingly, the lightning bolt that splits the sky during a thunderstorm releases about 500 megajoules, highlighting the immense power nature can unleash in mere seconds.
The megajoule also plays a pivotal role in fields like physics and engineering, especially in calculating the energy output of various processes. For example, modern fusion experiments and some space missions use megajoules to quantify energy needs and outputs. This essential unit connects the dots between cutting-edge technology and natural phenomena, providing insights into the world’s invisible energies.
Milliwatt-hours | Megajoules |
---|---|
0
mWh
|
0
MJ
|
1000
mWh
|
0.0036
MJ
|
2000
mWh
|
0.0072
MJ
|
3000
mWh
|
0.0108
MJ
|
4000
mWh
|
0.0144
MJ
|
5000
mWh
|
0.018
MJ
|
6000
mWh
|
0.0216
MJ
|
7000
mWh
|
0.0252
MJ
|
8000
mWh
|
0.0288
MJ
|
9000
mWh
|
0.0324
MJ
|
10000
mWh
|
0.036
MJ
|
11000
mWh
|
0.0396
MJ
|
12000
mWh
|
0.0432
MJ
|
13000
mWh
|
0.0468
MJ
|
14000
mWh
|
0.0504
MJ
|
15000
mWh
|
0.054
MJ
|
16000
mWh
|
0.0576
MJ
|
17000
mWh
|
0.0612
MJ
|
18000
mWh
|
0.0648
MJ
|
19000
mWh
|
0.0684
MJ
|
20000
mWh
|
0.072
MJ
|
21000
mWh
|
0.0756
MJ
|
22000
mWh
|
0.0792
MJ
|
23000
mWh
|
0.0828
MJ
|
24000
mWh
|
0.0864
MJ
|
25000
mWh
|
0.09
MJ
|
26000
mWh
|
0.0936
MJ
|
27000
mWh
|
0.0972
MJ
|
28000
mWh
|
0.1008
MJ
|
29000
mWh
|
0.1044
MJ
|
30000
mWh
|
0.108
MJ
|
31000
mWh
|
0.1116
MJ
|
32000
mWh
|
0.1152
MJ
|
33000
mWh
|
0.1188
MJ
|
34000
mWh
|
0.1224
MJ
|
35000
mWh
|
0.126
MJ
|
36000
mWh
|
0.1296
MJ
|
37000
mWh
|
0.1332
MJ
|
38000
mWh
|
0.1368
MJ
|
39000
mWh
|
0.1404
MJ
|
40000
mWh
|
0.144
MJ
|
41000
mWh
|
0.1476
MJ
|
42000
mWh
|
0.1512
MJ
|
43000
mWh
|
0.1548
MJ
|
44000
mWh
|
0.1584
MJ
|
45000
mWh
|
0.162
MJ
|
46000
mWh
|
0.1656
MJ
|
47000
mWh
|
0.1692
MJ
|
48000
mWh
|
0.1728
MJ
|
49000
mWh
|
0.1764
MJ
|
50000
mWh
|
0.18
MJ
|
51000
mWh
|
0.1836
MJ
|
52000
mWh
|
0.1872
MJ
|
53000
mWh
|
0.1908
MJ
|
54000
mWh
|
0.1944
MJ
|
55000
mWh
|
0.198
MJ
|
56000
mWh
|
0.2016
MJ
|
57000
mWh
|
0.2052
MJ
|
58000
mWh
|
0.2088
MJ
|
59000
mWh
|
0.2124
MJ
|
60000
mWh
|
0.216
MJ
|
61000
mWh
|
0.2196
MJ
|
62000
mWh
|
0.2232
MJ
|
63000
mWh
|
0.2268
MJ
|
64000
mWh
|
0.2304
MJ
|
65000
mWh
|
0.234
MJ
|
66000
mWh
|
0.2376
MJ
|
67000
mWh
|
0.2412
MJ
|
68000
mWh
|
0.2448
MJ
|
69000
mWh
|
0.2484
MJ
|
70000
mWh
|
0.252
MJ
|
71000
mWh
|
0.2556
MJ
|
72000
mWh
|
0.2592
MJ
|
73000
mWh
|
0.2628
MJ
|
74000
mWh
|
0.2664
MJ
|
75000
mWh
|
0.27
MJ
|
76000
mWh
|
0.2736
MJ
|
77000
mWh
|
0.2772
MJ
|
78000
mWh
|
0.2808
MJ
|
79000
mWh
|
0.2844
MJ
|
80000
mWh
|
0.288
MJ
|
81000
mWh
|
0.2916
MJ
|
82000
mWh
|
0.2952
MJ
|
83000
mWh
|
0.2988
MJ
|
84000
mWh
|
0.3024
MJ
|
85000
mWh
|
0.306
MJ
|
86000
mWh
|
0.3096
MJ
|
87000
mWh
|
0.3132
MJ
|
88000
mWh
|
0.3168
MJ
|
89000
mWh
|
0.3204
MJ
|
90000
mWh
|
0.324
MJ
|
91000
mWh
|
0.3276
MJ
|
92000
mWh
|
0.3312
MJ
|
93000
mWh
|
0.3348
MJ
|
94000
mWh
|
0.3384
MJ
|
95000
mWh
|
0.342
MJ
|
96000
mWh
|
0.3456
MJ
|
97000
mWh
|
0.3492
MJ
|
98000
mWh
|
0.3528
MJ
|
99000
mWh
|
0.3564
MJ
|
100000
mWh
|
0.36
MJ
|
If you like the website, share it on social media.