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... Ampere-hour = ... Coulomb

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Ampere-hour to Coulomb Converter

Use this page to convert ampere-hour values into coulomb, with background details, formulas, a worked example, and a quick conversion table.

Conversion formula

1 A*h = 3,600 C

1 C = 0.000277777777777778 A*h

Example: 1 A*h = 3,600 C

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Ampere-hour

One ampere-hour is equal to 3600 coulombs.

History: Ampere-hours became common for battery capacity and current-time accounting.

Current use: Used for batteries, power systems, energy storage, and electrical capacity ratings.

Also written as A*h, Ah, amp hour, amp hours, ampere hours.

Coulomb

Coulomb measures electric charge, equal to one ampere-second.

History: The coulomb is named after Charles-Augustin de Coulomb and is the SI derived unit of electric charge.

Current use: Used in electronics, electrochemistry, batteries, capacitors, current-time calculations, and physics.

Also written as C, coulombs.

Ampere-hour to Coulomb table

Ampere-hour [A*h]Coulomb [C]
0.01 A*h36 C
0.1 A*h360 C
1 A*h3,600 C
2 A*h7,200 C
5 A*h18,000 C
10 A*h36,000 C
20 A*h72,000 C
50 A*h180,000 C
100 A*h360,000 C

Frequently asked questions

  • How many Coulomb (C) are in one Ampere-hour (A*h)?

    One Ampere-hour equals 3,600 Coulomb.

  • How do you convert Ampere-hour to Coulomb?

    Multiply the Ampere-hour value by 3,600 to get the result in Coulomb.

  • How do you convert Coulomb back to Ampere-hour?

    Multiply the Coulomb value by 0.000277777777777778 to get back to Ampere-hour.

  • What is 1 Ampere-hour in Coulomb?

    1 Ampere-hour equals 3,600 Coulomb.