Unit may refer to:

Arts and entertainment

* UNIT, a fictional military organization in the science fiction television series ''Doctor Who'' * Unit of action, a discrete piece of action (or beat) in a theatrical presentation


* ''Unit'' (album), 1997 album by the Australian band Regurgitator * The Units, a synthpunk band


* ''The Unit'', an American television series * ''The Unit: Idol Rebooting Project'', South Korean reality TV survival show


* Stock keeping unit, a discrete inventory management construct * Strategic business unit, a profit center which focuses on product offering and market segment * Unit of account, a monetary unit of measurement * Unit coin, a small coin or medallion (usually military), bearing an organization's insignia or emblem * Work unit, the name given to a place of employment in the People's Republic of China

Science and technology

Science and medicine

* Unit, a vessel or section of a chemical plant * Blood unit, a measurement in blood transfusion * Enzyme unit, a measurement of active enzyme in a sample * Equivalent (chemistry), a unit of measurement used in chemistry and biology * Geological unit or rock unit, a volume of identifiable rock or ice *International unit, a unit of measurement for nutrients and drugs * Unit of measurement, a definite magnitude of a physical quantity, defined and adopted by convention or by law **International System of Units (SI), modern form of the metric system **English units, historical units of measurement used in England up to 1824 **Humorous units of measurement Some less serious or controversial units **Unit of length ***Astronomical unit, a unit of length roughly between the Earth and the Sun **Natural unit, a physical unit of measurement * Unit type, a type allowing only one value in type theory * Unit of alcohol, a measure of the volume of pure ethanol in an alcoholic beverage


* Central processing unit, the electronic circuitry within a computer that carries out the instructions of a computer program * GNU Units, a software program for unit conversion * Rack unit, a unit of measure most commonly used to define the size of certain computing equipment


* Unit (ring theory), an element that is invertible with respect to ring multiplication * Unit, identity element * Unit, a tuple of length 0; an empty tuple * Statistical unit, a data point on which statistical analysis is performed * Unit angle, a full turn equal to an angle of 1 * Unit circle, a circle with a radius of length 1 * Unit cube, a cube with sides of length 1 * Unit fraction, a reciprocal of a positive integer * Unit imaginary number, square root of negative 1 (\sqrt) * Unit impulse, an impulse of height 1 * Unit interval, an interval of distance 1 * Unit matrix, a diagonal matrix such that all elements on the main diagonal are 1 and all the others are zero * Unit number, the number 1 * Unit round-off, an upper bound on the relative error due to rounding in floating point * Unit set, a singleton, a set with exactly 1 element * Unit sphere, a sphere with a radius of length 1 * Unit square, a square with sides of length 1 * Unit vector, a vector with length equal to 1


* Active service unit, the former Provisional Irish Republican Army cell * Military unit, an homogeneous military organization whose administrative and command functions are self-contained * Sayeret Matkal (The Unit), the Israeli special forces unit

Other uses

* Unit (Cristian Fleming) (born 1974), electronic musician based in New York City * Unit (housing), a self-contained suite of rooms within a set of similar dwellings * Unit (Norway), a government directorate * Unit, course credit at a school or other educational institution * Multiple unit, self-propelled train carriage capable of coupling other units of the same type

See also

* Unit testing, a method by which individual units of source code are tested * Head unit, a component of a stereo system mounted inside of a vehicle * Air unit (disambiguation) * Piece (disambiguation) * Subunit (disambiguation) * UNITA, the second-largest political party in Angola * Unite (disambiguation) * Unity (disambiguation) * United (disambiguation) * * {{disambiguation