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 picocoulomb is a unit of electric charge in the International System of Units, representing one trillionth of a coulomb, or 10^-12 coulombs. While the coulomb might be more commonly encountered, the picocoulomb is crucial in high-precision measurements within fields like molecular physics and nanotechnology. To grasp its size, consider that it takes about 6.24 billion picocoulombs to transfer the charge of just one electron, highlighting the tiny scale at which it operates.
In scientific research, the picocoulomb helps measure charge distributions and electric properties of nanoparticles, which have applications ranging from medical diagnostics to electronics. This unit underscores the incredible sensitivity and precision required in cutting-edge science, as even minuscule differences in charge can significantly impact experimental outcomes and technological innovations.
Coulombs | Picocoulombs |
---|---|
0
c
|
0
pC
|
1
c
|
1e+12
pC
|
2
c
|
2e+12
pC
|
3
c
|
3e+12
pC
|
4
c
|
4e+12
pC
|
5
c
|
5e+12
pC
|
6
c
|
6e+12
pC
|
7
c
|
7e+12
pC
|
8
c
|
8e+12
pC
|
9
c
|
9e+12
pC
|
10
c
|
1e+13
pC
|
11
c
|
1.1e+13
pC
|
12
c
|
1.2e+13
pC
|
13
c
|
1.3e+13
pC
|
14
c
|
1.4e+13
pC
|
15
c
|
1.5e+13
pC
|
16
c
|
1.6e+13
pC
|
17
c
|
1.7e+13
pC
|
18
c
|
1.8e+13
pC
|
19
c
|
1.9e+13
pC
|
20
c
|
2e+13
pC
|
21
c
|
2.1e+13
pC
|
22
c
|
2.2e+13
pC
|
23
c
|
2.3e+13
pC
|
24
c
|
2.4e+13
pC
|
25
c
|
2.5e+13
pC
|
26
c
|
2.6e+13
pC
|
27
c
|
2.7e+13
pC
|
28
c
|
2.8e+13
pC
|
29
c
|
2.9e+13
pC
|
30
c
|
3e+13
pC
|
31
c
|
3.1e+13
pC
|
32
c
|
3.2e+13
pC
|
33
c
|
3.3e+13
pC
|
34
c
|
3.4e+13
pC
|
35
c
|
3.5e+13
pC
|
36
c
|
3.6e+13
pC
|
37
c
|
3.7e+13
pC
|
38
c
|
3.8e+13
pC
|
39
c
|
3.9e+13
pC
|
40
c
|
4e+13
pC
|
41
c
|
4.1e+13
pC
|
42
c
|
4.2e+13
pC
|
43
c
|
4.3e+13
pC
|
44
c
|
4.4e+13
pC
|
45
c
|
4.5e+13
pC
|
46
c
|
4.6e+13
pC
|
47
c
|
4.7e+13
pC
|
48
c
|
4.8e+13
pC
|
49
c
|
4.9e+13
pC
|
50
c
|
5e+13
pC
|
51
c
|
5.1e+13
pC
|
52
c
|
5.2e+13
pC
|
53
c
|
5.3e+13
pC
|
54
c
|
5.4e+13
pC
|
55
c
|
5.5e+13
pC
|
56
c
|
5.6e+13
pC
|
57
c
|
5.7e+13
pC
|
58
c
|
5.8e+13
pC
|
59
c
|
5.9e+13
pC
|
60
c
|
6e+13
pC
|
61
c
|
6.1e+13
pC
|
62
c
|
6.2e+13
pC
|
63
c
|
6.3e+13
pC
|
64
c
|
6.4e+13
pC
|
65
c
|
6.5e+13
pC
|
66
c
|
6.6e+13
pC
|
67
c
|
6.7e+13
pC
|
68
c
|
6.8e+13
pC
|
69
c
|
6.9e+13
pC
|
70
c
|
7e+13
pC
|
71
c
|
7.1e+13
pC
|
72
c
|
7.2e+13
pC
|
73
c
|
7.3e+13
pC
|
74
c
|
7.4e+13
pC
|
75
c
|
7.5e+13
pC
|
76
c
|
7.6e+13
pC
|
77
c
|
7.7e+13
pC
|
78
c
|
7.8e+13
pC
|
79
c
|
7.9e+13
pC
|
80
c
|
8e+13
pC
|
81
c
|
8.1e+13
pC
|
82
c
|
8.2e+13
pC
|
83
c
|
8.3e+13
pC
|
84
c
|
8.4e+13
pC
|
85
c
|
8.5e+13
pC
|
86
c
|
8.6e+13
pC
|
87
c
|
8.7e+13
pC
|
88
c
|
8.8e+13
pC
|
89
c
|
8.9e+13
pC
|
90
c
|
9e+13
pC
|
91
c
|
9.1e+13
pC
|
92
c
|
9.2e+13
pC
|
93
c
|
9.3e+13
pC
|
94
c
|
9.4e+13
pC
|
95
c
|
9.5e+13
pC
|
96
c
|
9.6e+13
pC
|
97
c
|
9.7e+13
pC
|
98
c
|
9.8e+13
pC
|
99
c
|
9.9e+13
pC
|
100
c
|
1e+14
pC
|
Conversion | Call to Action |
---|---|
Coulombs to Millicoulombs | Go to converter |
Coulombs to Microcoulombs | Go to converter |
Coulombs to Nanocoulombs | Go to converter |
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