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 systemSI
Unit ofelectric charge
SymbolC
Named afterCharles-Augustin de Coulomb
Conversions
1 C in ...... is equal to ...
   SI base units   As
   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).[1][2] 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.[2][1]

  1. ^ a b International Bureau of Weights and Measures (Dec 2022), The International System of Units (SI) (PDF), vol. 2 (9th ed.), ISBN 978-92-822-2272-0, archived from the original on 18 October 2021
  2. ^ a b BIPM (20 May 2019). "Mise en pratique for the definition of the ampere in the SI". BIPM. Retrieved 2022-02-18.