Statampere to Ampere Conversion

Convert between Statampere and Ampere quickly and accurately.

From Statampere

stA

To Ampere

How to Convert Statampere to Ampere

Conversion Formula

1 stA = 3E-10 A

1 A = 2997924536.843 stA

Example

Convert 15 stA to A:

15 stA = 15 × 3E-10 A = 5E-9 A

Unit Information

Learn about the current units you're converting between

Statampere

stA

Definition

The Statampere (stA) is a unit of electric current in the CGS electrostatic system, equal to approximately 3.335641 × 10⁻¹⁰ amperes. It represents an extremely small current and was used in electrostatic measurements and calculations before the adoption of the SI system.

History/Origin

The statampere was part of the CGS electrostatic system developed in the late 19th century, providing units for electrostatic measurements. The prefix "stat" indicates its electrostatic origin, and the unit was defined to maintain consistency with other electrostatic units in the CGS system.

Current Use

The statampere is rarely used in modern practice, having been replaced by the SI ampere. It may occasionally appear in historical scientific literature or specialized contexts where CGS electrostatic units are discussed, but contemporary electrical engineering uses the ampere and its decimal multiples exclusively.

Multiplier

3E-10

Offset

Ampere

Definition

The Ampere (A) is the SI base unit of electric current, defined as one coulomb of electric charge passing through a conductor per second. It is fundamental in electrical engineering and physics for measuring the rate of electric charge flow in circuits, essential for analyzing electrical systems and designing electronic devices.

History/Origin

Named after André-Marie Ampère, a French physicist and mathematician who made significant contributions to electromagnetism in the early 19th century. The ampere was officially adopted as the SI base unit for electric current in 1948, replacing earlier definitions based on electrochemical processes and providing a more precise and reproducible standard.

Current Use

The ampere is universally used in electrical engineering, electronics, and physics to measure current flow in circuits, power systems, and electronic devices. It is essential for circuit analysis, electrical safety calculations, power system design, and the specification of electrical components and equipment in industrial, commercial, and residential applications.

Multiplier

Offset