Converter category
Electric Charge Converter
Convert between coulombs, millicoulombs, ampere-hours, faradays, and other electric charge units.
Universal Electric Charge Converter
About electric charge conversions
Electric charge conversions are essential in physics, electronics, battery technology, and electrochemistry. Our charge converter covers SI units such as coulombs, millicoulombs, microcoulombs, nanocoulombs, and picocoulombs, plus practical units like ampere-hours, ampere-minutes, and ampere-seconds. It also includes historical and scientific units such as the statcoulomb, abcoulomb, faraday, and elementary charge. Whether you are calculating battery capacity, analyzing circuits, or studying particle physics, this converter provides accurate results based on defined physical constants.
Most popular electric charge conversions
Available units
Popular electric charge conversions (182 total)
Unit definitions
Coulomb (C)
SI unit of electric charge. 1 C = 1 A × 1 s.
Origin: Named after Charles-Augustin de Coulomb (1736-1806).
Current use: Electrical engineering, Battery capacity, Electrostatics
Millicoulomb (mC)
One thousandth of a coulomb.
Origin: SI prefix milli- (m) = 0.001.
Current use: Electronics, Static discharge, Small charges
Microcoulomb (µC)
One millionth of a coulomb.
Origin: SI prefix micro- (µ) = 10^-6.
Current use: Electronics, Static electricity, Small charges
Nanocoulomb (nC)
One billionth of a coulomb.
Origin: SI prefix nano- (n) = 10^-9.
Current use: Particle physics, Small charges, Research
Picocoulomb (pC)
One trillionth of a coulomb.
Origin: SI prefix pico- (p) = 10^-12.
Current use: Particle physics, Nuclear physics, Research
Abcoulomb (abC)
CGS electromagnetic unit of charge = 10 C.
Origin: Part of the CGS electromagnetic system.
Current use: Electromagnetics, CGS system, Historical physics
Statcoulomb (statC)
CGS electrostatic unit = 1/10 of an abcoulomb.
Origin: Also called Franklin, named after Benjamin Franklin.
Current use: Electrostatics, CGS system, Historical physics
Faraday (F)
Charge in one mole of elementary charges = 96,485 C.
Origin: Named after Michael Faraday.
Current use: Electrochemistry, Battery chemistry, Redox reactions
Elementary Charge (e)
Charge of a single proton or electron.
Origin: Fundamental physical constant.
Current use: Particle physics, Quantum mechanics, Atomic physics
Ampere-hour (Ah)
Charge from 1 ampere for 1 hour = 3600 C.
Origin: Common for battery capacity.
Current use: Battery capacity, Electric vehicles, Battery rating
Ampere-minute (Amin)
Charge from 1 ampere for 1 minute = 60 C.
Origin: Battery smaller unit.
Current use: Battery capacity, Quick charges, Small batteries
Ampere-second (As)
Charge from 1 ampere for 1 second = 1 C.
Origin: Equivalent to coulomb.
Current use: Electronics, Circuit analysis, Coulombs
Megacoulomb (MC)
One million coulombs.
Origin: SI prefix mega- = 10^6.
Current use: Large charges, Industrial electrolysis, Power systems
Kilocoulomb (kC)
One thousand coulombs.
Origin: SI prefix kilo- = 1000.
Current use: Large charges, Industrial applications, Power systems
Common uses for charge conversions
Charge conversions are used in battery capacity calculations, circuit analysis, physics education, electrochemistry, and particle physics.
Frequently asked questions about electric charge
How many coulombs are in 1 ampere-hour?+
1 ampere-hour equals 3,600 coulombs.
What is an elementary charge?+
The elementary charge is the electric charge carried by a single proton, approximately 1.602 × 10⁻¹⁹ coulombs.
Which charge units does this converter support?+
It supports SI subdivisions, practical units, and historical/scientific charge units — over 10 in total.