# Coulombs-to-ampere-hours Calculator

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## What exactly is a coulomb?

In the International System of Units, a coulomb (C) is the standard unit of electric charge (SI). It is the amount of electricity carried by a 1-ampere (A) current in one second (s). 1 C represents the electrical charge of approximately 6.24 x 1018 electrons or protons.

## What exactly is an ampere hour?

An ampere hour combines the quantity of current with the time required to completely discharge a battery.

## Formula:

Formula for converting coulombs to ampere-hours:

The charge in ampere-hours, denoted by the symbol Ah, is calculated by dividing the charge in coulombs, denoted by C, by 3600.

Ah = C / 3600

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