ESU of current to Kiloampere Conversion

Convert between ESU of current and Kiloampere quickly and accurately.

From ESU of current

ESU

To Kiloampere

How to Convert ESU of current to Kiloampere

Conversion Formula

1 ESU = 3E-13 kA

1 kA = 3E+12 ESU

Example

Convert 15 ESU to kA:

15 ESU = 15 × 3E-13 kA = 5E-12 kA

Unit Information

Learn about the current units you're converting between

ESU of current

ESU

Definition

The ESU (Electrostatic Unit) of current is a unit 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 ESU system was developed as part of the CGS electrostatic system in the late 19th century, providing a coherent set of units for electrostatic measurements. The ESU of current was defined to maintain consistency with other electrostatic units in the system, though it has been largely superseded by the SI ampere.

Current Use

The ESU of current is rarely used in modern practice, having been replaced by the SI ampere. It may appear in historical scientific literature or specialized contexts where CGS electrostatic units are referenced, but contemporary electrical engineering and physics use the ampere and its decimal multiples exclusively.

Multiplier

3E-10

Offset

Kiloampere

Definition

The Kiloampere (kA) is a unit of electric current equal to 1000 amperes, representing a very large current flow. It is commonly used in high-power electrical systems, industrial applications, and power transmission where currents exceed normal household levels, providing a practical scale for measuring substantial electrical currents.

History/Origin

The kiloampere emerged as a practical unit for high-current applications in electrical engineering, particularly with the development of large-scale power systems and industrial electrical equipment. The metric prefix "kilo" (meaning 1000) was applied to the ampere to create a more convenient unit for expressing very large currents in power generation and distribution.

Current Use

Kiloamperes are used in power generation, transmission, and distribution systems, industrial electrical equipment, electric arc furnaces, and high-power applications. They are essential for measuring fault currents in power systems, designing electrical protection systems, and specifying the current-carrying capacity of large conductors and electrical equipment.

Multiplier

1000

Offset