Convert Picocoulomb to Elementary Charge (pC to Elementary Charge)

Picocoulomb (pC) and Elementary Charge (Elementary Charge) are both units of electric charge. With the conversion form below, you can effortlessly and accurately convert picocoulomb to elementary charge. This free online calculator tool makes it simple and easy to perform the conversion from pC unit to the Elementary Charge unit.

Electric charge is a fundamental property of matter that causes it to experience electromagnetic force. Charge is measured in coulombs (C) in the SI system. It comes in two types—positive and negative—and is conserved: the total charge in an isolated system never changes. The elementary charge (the charge of a proton) is exactly 1.602176634 × 10⁻¹⁹ C. Charge is the source of electric fields and, when moving, of magnetic fields.

A picocoulomb (symbol: pC) is an SI-prefixed unit of electric charge equal to one trillionth of a coulomb (10⁻¹² C). The prefix pico- denotes one trillionth of the base unit. Picocoulombs are widely used in electronics, electrostatics, particle detection, analytical instrumentation, and scientific research, where extremely small quantities of electric charge must be measured accurately.

One picocoulomb represents the amount of electric charge transferred by an electric current of one picoampere flowing for one second, or by a current of one ampere flowing for one picosecond. Like the coulomb, the picocoulomb measures the total quantity of electric charge rather than the rate of charge flow, which is measured in amperes.

Picocoulombs are commonly used in radiation detectors, photomultiplier tubes, charge-sensitive amplifiers, semiconductor testing, electrostatic measurements, and laboratory instruments capable of detecting extremely small electrical charges. As an SI-prefixed subdivision of the coulomb, the picocoulomb provides a practical and internationally recognized unit for expressing minute quantities of electric charge.

An elementary charge (symbol: e) is the fundamental unit of electric charge. It is defined as exactly 1.602176634 × 10⁻¹⁹ coulomb (C). Elementary charge represents the magnitude of the electric charge carried by a single proton or the magnitude of the negative charge carried by a single electron. The proton has a charge of +e, while the electron has a charge of −e.

As a fundamental physical constant, the elementary charge serves as the basis for measuring electric charge in atomic and subatomic systems. It plays a central role in electromagnetism, atomic physics, quantum mechanics, particle physics, and electrical engineering. Since the 2019 revision of the International System of Units (SI), the elementary charge has been assigned an exact numerical value, making it one of the defining constants of the SI.

Elementary charge is widely used to describe the charge of electrons, protons, ions, and other charged particles. It also provides the foundation for defining the coulomb, helping scientists relate microscopic electric charges to macroscopic electrical measurements used in laboratories, industry, and technology.