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 Music Unit (album), 1997 album by the Australian band Regurgitator The Units, a synthpunk band Television The Unit, an American television series The Unit: Idol Rebooting Project, South Korean reality TV survival show Business 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 Computing 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 Mathematics 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