The coulomb, named after the French physicist Charles-Augustin de Coulomb, is the SI unit of electric charge. In the world of electricity, one coulomb represents the charge of approximately 6.242 x 10^18 elementary charges, such as electrons. Fascinatingly, this massive number of electrons is equivalent to the amount of charge transferred by a current of one ampere flowing for just one second.
The coulomb plays a crucial role in electromagnetism and allows for the calculation of electric forces between charged objects using Coulomb’s Law. Interestingly, Charles-Augustin de Coulomb initially explored fields such as engineering and military structures before delving into the study of electrostatics. His work in this area laid the foundation for modern electrical engineering and technology, making the coulomb an integral part of understanding electrical interactions.
The microcoulomb (μC) is a unit of electric charge that is a millionth of a coulomb, representing 10^-6 coulombs. To give some perspective on its magnitude, consider that a typical lightning strike might discharge around 5 to 20 coulombs, whereas a microcoulomb is so tiny that it’s used to measure minuscule charges found in detectors or small capacitors. The unit is commonly used in electrostatics and device applications such as inkjet printers and photocopy machines, where precision at microscopic levels is crucial.
Interestingly, the concept of charge, which the microcoulomb helps quantify, has far-reaching implications. From the electromagnetic forces shaping the universe to the operation of your smartphone, electric charge is a fundamental property that governs countless processes. Understanding and utilizing smaller units like the microcoulomb allows scientists and engineers to fine-tune and advance technologies that impact daily life.
| Coulombs | Microcoulombs |
|---|---|
0
c
|
0
μC
|
1
c
|
1000000
μC
|
2
c
|
2000000
μC
|
3
c
|
3000000
μC
|
4
c
|
4000000
μC
|
5
c
|
5000000
μC
|
6
c
|
6000000
μC
|
7
c
|
7000000
μC
|
8
c
|
8000000
μC
|
9
c
|
9000000
μC
|
10
c
|
1e+7
μC
|
11
c
|
1.1e+7
μC
|
12
c
|
1.2e+7
μC
|
13
c
|
1.3e+7
μC
|
14
c
|
1.4e+7
μC
|
15
c
|
1.5e+7
μC
|
16
c
|
1.6e+7
μC
|
17
c
|
1.7e+7
μC
|
18
c
|
1.8e+7
μC
|
19
c
|
1.9e+7
μC
|
20
c
|
2e+7
μC
|
21
c
|
2.1e+7
μC
|
22
c
|
2.2e+7
μC
|
23
c
|
2.3e+7
μC
|
24
c
|
2.4e+7
μC
|
25
c
|
2.5e+7
μC
|
26
c
|
2.6e+7
μC
|
27
c
|
2.7e+7
μC
|
28
c
|
2.8e+7
μC
|
29
c
|
2.9e+7
μC
|
30
c
|
3e+7
μC
|
31
c
|
3.1e+7
μC
|
32
c
|
3.2e+7
μC
|
33
c
|
3.3e+7
μC
|
34
c
|
3.4e+7
μC
|
35
c
|
3.5e+7
μC
|
36
c
|
3.6e+7
μC
|
37
c
|
3.7e+7
μC
|
38
c
|
3.8e+7
μC
|
39
c
|
3.9e+7
μC
|
40
c
|
4e+7
μC
|
41
c
|
4.1e+7
μC
|
42
c
|
4.2e+7
μC
|
43
c
|
4.3e+7
μC
|
44
c
|
4.4e+7
μC
|
45
c
|
4.5e+7
μC
|
46
c
|
4.6e+7
μC
|
47
c
|
4.7e+7
μC
|
48
c
|
4.8e+7
μC
|
49
c
|
4.9e+7
μC
|
50
c
|
5e+7
μC
|
51
c
|
5.1e+7
μC
|
52
c
|
5.2e+7
μC
|
53
c
|
5.3e+7
μC
|
54
c
|
5.4e+7
μC
|
55
c
|
5.5e+7
μC
|
56
c
|
5.6e+7
μC
|
57
c
|
5.7e+7
μC
|
58
c
|
5.8e+7
μC
|
59
c
|
5.9e+7
μC
|
60
c
|
6e+7
μC
|
61
c
|
6.1e+7
μC
|
62
c
|
6.2e+7
μC
|
63
c
|
6.3e+7
μC
|
64
c
|
6.4e+7
μC
|
65
c
|
6.5e+7
μC
|
66
c
|
6.6e+7
μC
|
67
c
|
6.7e+7
μC
|
68
c
|
6.8e+7
μC
|
69
c
|
6.9e+7
μC
|
70
c
|
7e+7
μC
|
71
c
|
7.1e+7
μC
|
72
c
|
7.2e+7
μC
|
73
c
|
7.3e+7
μC
|
74
c
|
7.4e+7
μC
|
75
c
|
7.5e+7
μC
|
76
c
|
7.6e+7
μC
|
77
c
|
7.7e+7
μC
|
78
c
|
7.8e+7
μC
|
79
c
|
7.9e+7
μC
|
80
c
|
8e+7
μC
|
81
c
|
8.1e+7
μC
|
82
c
|
8.2e+7
μC
|
83
c
|
8.3e+7
μC
|
84
c
|
8.4e+7
μC
|
85
c
|
8.5e+7
μC
|
86
c
|
8.6e+7
μC
|
87
c
|
8.7e+7
μC
|
88
c
|
8.8e+7
μC
|
89
c
|
8.9e+7
μC
|
90
c
|
9e+7
μC
|
91
c
|
9.1e+7
μC
|
92
c
|
9.2e+7
μC
|
93
c
|
9.3e+7
μC
|
94
c
|
9.4e+7
μC
|
95
c
|
9.5e+7
μC
|
96
c
|
9.6e+7
μC
|
97
c
|
9.7e+7
μC
|
98
c
|
9.8e+7
μC
|
99
c
|
9.9e+7
μC
|
100
c
|
1e+8
μC
|
| Conversion | Call to Action |
|---|---|
| Coulombs to Millicoulombs | Go to converter |
| Coulombs to Nanocoulombs | Go to converter |
| Coulombs to Picocoulombs | Go to converter |
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