# ››Convert ampere-hour to coulomb

 A-h C

 Did you mean to convert A-h to coulomb coulomb [international]

How many A-h in 1 C? The answer is 0.000277777777778.
We assume you are converting between ampere-hour and coulomb.
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A-h or C
The SI derived unit for electric charge is the coulomb.
1 A-h is equal to 3600 coulomb.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between ampere-hours and coulombs.
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# ››Definition: Coulomb

he coulomb, symbol C, is the SI unit of electric charge, and is defined in terms of the ampere: 1 coulomb is the amount of electric charge (quantity of electricity) carried by a current of 1 ampere flowing for 1 second. It is also about 6.241506×1018 times the charge of an electron. It is named after Charles-Augustin de Coulomb (1736-1806).

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