Coulomb
| Coulomb | |
|---|---|
Diagram showing 1 coulomb (electric charge carried by a current of 1 ampere during 1 second) and the equivalent number of electrons | |
| General information | |
| Unit system | SI |
| Unit of | electric charge |
| Symbol | C |
| Named after | Charles-Augustin de Coulomb |
| Conversions | |
| 1 C in ... | ... is equal to ... |
| SI base units | A⋅s |
| CGS units | ≘ 2997924580 statC |
| Atomic units | ≈6.241509×1018 e |
The coulomb (symbol: C) is the unit of electric charge in the International System of Units (SI). It is defined to be equal to the electric charge delivered by a 1 ampere current in 1 second, with the elementary charge e as a defining constant in the SI.