What is an electric charge converter?

An electric charge converter is a tool that allows you to translate a measurement of electric charge from one unit to another. It is essential for converting between the standard SI unit (Coulomb), practical battery units (Ampere-hour), and various scientific or historical units.

What is the difference between Coulomb and Ampere-hour (Ah)?

The Coulomb (C) is the SI unit for charge, used in scientific contexts. The Ampere-hour (Ah) is a practical unit used to measure the capacity of batteries. A 1 Ah battery holds 3,600 Coulombs of charge.

What is the Faraday unit?

The Faraday constant represents the magnitude of electric charge per mole of electrons. One Faraday is equal to approximately 96,485 Coulombs. It is a key unit used in electrochemistry.

What are Statcoulomb and Abcoulomb?

Statcoulomb (stC or esu) and Abcoulomb (abC or emu) are older units of charge from the CGS (centimeter-gram-second) system of units. They are now rarely used but are important for understanding historical scientific literature. Our converter includes them for comprehensive coverage.

Free Charge Converter | Coulomb, Amp-Hour, Faraday & More

Instantly convert between Coulombs, Ampere-hours (Ah), Faradays, elementary charge (e), and more. Our free and comprehensive Charge Converter provides fast, accurate results for any scientific or battery calculation.

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About the Charge Converter

Electric charge is the fundamental property of matter that gives rise to all electrical phenomena. While the Coulomb (C) is the standard international unit, charge is measured in many other ways across different scientific disciplines and commercial applications. The Charge Converter from TechnoCodex is a comprehensive, professional-grade tool designed to handle all these conversions with precision and ease.

This charge conversion calculator is an essential resource for students, engineers, physicists, and chemists. We have expanded our tool to include a vast array of units, from the largest multiples like Megacoulombs down to the smallest—the elementary charge (e) of a single electron. Whether you need to convert Amp-hours to Coulombs for a battery project, translate Faradays for an electrochemistry experiment, or work with historical CGS units like the Statcoulomb and Abcoulomb, our converter provides instant and accurate results.

How to Use the Charge Converter

Our tool is designed for an efficient and straightforward user experience. Get your conversion in three steps:

Enter Your Value: Type the charge measurement you wish to convert into the “Amount” field.
Select Your Units: Choose your starting unit and your target unit from the extensive dropdown menus.
Click “Convert”: The accurate converted charge will immediately appear in the result box. Use the “Reset” button to clear the fields for a new charge calculation.

Understanding the Key Units of Electric Charge

Our converter includes a wide range of units to cover nearly every possible use case:

SI Units (pC to MC): From the tiny Picocoulomb (pC) and Nanocoulomb (nC) used in microelectronics, up to the standard Coulomb (C) and the massive Kilocoulomb (kC) and Megacoulomb (MC) for large-scale calculations.
Practical Battery Units (A-s, A-min, Ah): The Ampere-second is identical to a Coulomb. The Ampere-minute and, most famously, the Ampere-hour (Ah) are used to describe the capacity of batteries in a practical way.
Historical CGS Units: For scientific and historical accuracy, we include the Abcoulomb (abC) from the electromagnetic (EMU) system and the Statcoulomb (stC), also known as the Franklin (Fr) or ESU of charge, from the electrostatic (ESU) system.
Fundamental & Chemical Units: The converter includes the Faraday (F), a unit vital to electrochemistry representing the charge of one mole of electrons, and the elementary charge (e), the single charge of a proton or electron, which is the smallest unit of charge in the universe.

Common Use Cases and Applications

Battery Technology: Engineers and consumers can convert the Ampere-hour (Ah) rating of a battery into Coulombs (C) for deeper energy and power calculations.
Physics and Electronics: Students and researchers can convert macroscopic charge measurements to the number of elementary charges (e) to understand phenomena at the atomic level, or use CGS units when studying older scientific texts.
Electrochemistry: The tool is perfect for stoichiometry calculations in electrolysis, allowing easy conversion between Coulombs and Faradays.
Education: An essential resource for students to grasp the relationships and vast differences in scale between the many units used to measure electric charge.

By providing the most comprehensive and accessible platform available, the TechnoCodex Charge Converter is the definitive resource for anyone working with the fundamental units of electricity.