Electric Charge Converter

Convert electric charge between common units used in electronics and battery specifications. Milliampere-hours (mAh) is the standard unit for battery capacity. Coulombs are the SI base unit for charge. This converter helps you compare battery capacities, calculate charge stored, and work across different engineering units.

How to Use This Calculator

  1. 1

    Enter the electric charge value you want to convert.

  2. 2

    Select the source unit (e.g. mAh) in the "From" dropdown.

  3. 3

    Select the target unit (e.g. Coulombs) in the "To" dropdown and click Convert.

Frequently Asked Questions

A coulomb (C) is the SI unit of electric charge. It equals the charge transported by a current of 1 ampere flowing for 1 second. 1 C = 1 A·s.

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