Converter may refer to:

Electromagnetics

Frequency converter A frequency changer or frequency converter is an electronic or electromechanical device that converts alternating current ( AC) of one frequency to alternating current of another frequency. The device may also change the voltage, but if it does, ...

* Voltage converter, another name for **Electromagnetic

transformer A transformer is a passive component that transfers electrical energy from one electrical circuit to another circuit, or multiple circuits. A varying current in any coil of the transformer produces a varying magnetic flux in the transformer' ...

** Switched-mode power supply ** DC-to-DC converter ** Power inverter (DC to AC) *** Solar inverter

Electronics

* Digital-to-analog converter * Analog-to-digital converter * "Frequency-to-Voltage converter" (F-V converter), a frequency detector for voltage-controlled guitar synthesizer * A combination local oscillator and mixer stage in a

superheterodyne receiver A superheterodyne receiver, often shortened to superhet, is a type of radio receiver that uses frequency mixing to convert a received signal to a fixed intermediate frequency (IF) which can be more conveniently processed than the original carr ...

*"Converter", an alternate name for a

remote control In electronics, a remote control (also known as a remote or clicker) is an electronic device used to operate another device from a distance, usually wirelessly. In consumer electronics, a remote control can be used to operate devices such as ...

In television

* Cable converter box, an electronic device use in cable television systems * Digital television adapter, sometimes known as a "converter box"

Information technology

* Low-noise converter, in communications * Scan conversion between video formats *

File format converter Data conversion is the conversion of computer data from one format to another. Throughout a computer environment, data is encoded in a variety of ways. For example, computer hardware is built on the basis of certain standards, which requires tha ...

, for converting between various file formats *

Currency converter In finance, an exchange rate is the rate at which one currency will be exchanged for another currency. Currencies are most commonly national currencies, but may be sub-national as in the case of Hong Kong or supra-national as in the case of ...

, a piece of software for converting one currency into another

Metallurgy

Converter (metallurgy) Converting is a type of metallurgical smelting that includes several processes; the most commercially important form is the treatment of molten metal sulfides to produce crude metal and slag, as in the case of copper and nickel converting. A now ...

, a device for metallurgical smelting **

Bessemer converter The Bessemer process was the first inexpensive industrial process for the mass production of steel from molten pig iron before the development of the open hearth furnace. The key principle is removal of impurities from the iron by oxidation with ...

** Manhès-David converter **see also

basic oxygen steelmaking Basic oxygen steelmaking (BOS, BOP, BOF, or OSM), also known as Linz-Donawitz steelmaking or the oxygen converter processBrock and Elzinga, p. 50. is a method of primary steelmaking in which carbon-rich molten pig iron is made into steel. Blowing ...

Vehicles, automobiles

Catalytic converter A catalytic converter is an exhaust emission control device that converts toxic gases and pollutants in exhaust gas from an internal combustion engine into less-toxic pollutants by catalyzing a redox reaction. Catalytic converters are usually ...

, in automobiles * Autogas converter, part of an automotive LPG system, also known as a vaporiser or pressure reducer

Other uses

Torque converter A torque converter is a type of fluid coupling that transfers rotating power from a prime mover, like an internal combustion engine, to a rotating driven load. In a vehicle with an automatic transmission, the torque converter connects the power ...

, a fluid coupling to transfer torque *

Fountain pen A fountain pen is a writing instrument which uses a metal nib to apply a water-based ink to paper. It is distinguished from earlier dip pens by using an internal reservoir to hold ink, eliminating the need to repeatedly dip the pen in an inkw ...

converter, a removable filling mechanism for fountain pens *

Unit converter Conversion of units is the conversion between different units of measurement for the same quantity, typically through multiplicative conversion factors which change the measured quantity value without changing its effects. Overview The process ...

, for converting between different units of measurement *

Converters (industry) Converting companies are companies that specialize in modifying or combining raw materials such as polyesters, adhesives, silicone, adhesive tapes, foams, plastics, felts, rubbers, liners and metals, as well as other materials, to create new produ ...

, companies that create end products from rolls of raw material