G is the seventh letter of the Latin alphabet. G may also refer to:

Places

Gabon Gabon ( ; ), officially the Gabonese Republic (), is a country on the Atlantic coast of Central Africa, on the equator, bordered by Equatorial Guinea to the northwest, Cameroon to the north, the Republic of the Congo to the east and south, and ...

, international license plate code G *

Glasgow Glasgow is the Cities of Scotland, most populous city in Scotland, located on the banks of the River Clyde in Strathclyde, west central Scotland. It is the List of cities in the United Kingdom, third-most-populous city in the United Kingdom ...

, UK postal code G * Eastern

Quebec Quebec is Canada's List of Canadian provinces and territories by area, largest province by area. Located in Central Canada, the province shares borders with the provinces of Ontario to the west, Newfoundland and Labrador to the northeast, ...

, Canadian postal prefix G *

Melbourne Cricket Ground The Melbourne Cricket Ground (MCG), also known locally as the 'G, is a sports stadium located in Yarra Park, Melbourne, Victoria. Founded and managed by the Melbourne Cricket Club, it is the largest stadium in the Southern Hemisphere, the Lis ...

in Melbourne, Australia, also known as "the 'G"

Arts, entertainment and media

Fictional characters

* G, a fictional character in the game '' Club Penguin'' * G, a fictional character in Sega's ''The House of the Dead'' series * G, a fictional character in '' Kuu Kuu Harajuku'' * G (''Street Fighter''), a fictional character in the ''Street Fighter'' series * Mr G, or Mr Gregson, a fictional character in the Australian TV comedy ''Summer Heights High''

Films

* ''G'' (2002 film), by Christopher Scott Cherot * ''G'' (2004 film), a documentary about methamphetamine use among the Navajo * ''The G'' (film), 2023 film written, directed, and produced by Karl R. Hearne

Music

Notation

G (musical note) G, also called Sol or So, is the fifth note of the fixed-do solfège starting on C. It is the fifth note and the eighth semitone of the solfège. As such it is the dominant, a perfect fifth above C or perfect fourth below C. When calcul ...

* G major chord, Chord names and symbols (popular music)

Albums

* ''G'' (Gerald Levert album) * ''G'' (King Creosote album) * ''G.'' (album), an album by Gotthard

Other music

* "G", a song by Avenged Sevenfold from the album '' Life Is But a Dream...'' * A prefix used to denote the Gérard catalog, a catalogue of Luigi Boccherini's works compiled by Yves Gérard

Rating systems

''G'' is a common type of

content rating A content rating (also known as maturity rating) rates the suitability of TV shows, movies, comic books, or video games to this primary targeted audience. A content rating usually places a media source into one of a number of different categories, ...

that applies to media entertainment, such as films, television shows and computer games, generally denoting "General Audience" or "General Patronage" meaning that access is not restricted. The following organizations all use the rating: *

Australian Classification Board The Australian Classification Board (ACB or CB) is an Australian Government of Australia, government Statute, statutory body responsible for the classification and censorship of films, television programmes, video games and publications for ex ...

Canadian motion picture rating system Motion picture ratings in Canada are mostly a provincial responsibility, and each province has its own legislation regarding exhibition and admission. For home video purposes, a single Canadian Home Video Rating System rating consisting of an a ...

* Eirin *

Irish Film Classification Office The Irish Film Classification Office (IFCO) () is the organisation responsible for films, television programmes, and some video game classification and censorship within Republic of Ireland, Ireland. Where restrictions are placed by the IFCO, t ...

Media Development Authority The Media Development Authority (abbreviation: MDA) was a statutory board of the Singapore Government, under the Ministry of Communications and Information (MCI). History MDA was founded on 1 January 2003 by the merger of Singapore Broadcasti ...

Motion Picture Association of America film rating system The Motion Picture Association film rating system is used in the United States and its territories to rate a motion picture's suitability for certain audiences based on its content. The system and the ratings applied to individual motion pictur ...

Movie and Television Review and Classification Board The Movie and Television Review and Classification Board (MTRCB; ; is a Philippine government agency under the Office of the President of the Philippines that is responsible for the classification and review of television programs, motion p ...

National Bureau of Classification (NBC) The National Bureau of Classification (NBC), previously the Film Censor Board of Maldives, is a government office founded on 21 May 1956 with the objective of presenting and promoting cinema and theatrical performances for the benefit of the Mal ...

Office of Film and Literature Classification (New Zealand) An office is a space where the employees of an organization perform administrative work in order to support and realize the various goals of the organization. The word "office" may also denote a position within an organization with specific du ...

The "G" rating is further documented at

Motion picture content rating system A motion picture content rating system classifies films based on their suitability for audiences due to their treatment of issues such as sex, violence, or substance abuse, their use of profanity, or other matters typically deemed unsuitable for ...

and

Television content rating system Television content rating systems are systems for Content rating, evaluating the content and reporting the suitability of television programmes for Minor (law), minors. Many countries have their own television evaluation, rating system and coun ...

Other arts, entertainment and media

* ''G.'' (novel), by John Berger * ''G'' (magazine) *G, the production code for the 1964 ''Doctor Who'' serial '' The Sensorites'' * The G logo for the Brazilian television network Gazeta in São Paulo since 2000

Brands and enterprises

* The Gillette Company, ticker symbol G on the New York Stock Exchange

Mathematics and science

In astrophysics

* G, a

stellar classification In astronomy, stellar classification is the classification of stars based on their stellar spectrum, spectral characteristics. Electromagnetic radiation from the star is analyzed by splitting it with a Prism (optics), prism or diffraction gratin ...

for yellowish stars * G, part of a

provisional designation in astronomy Provisional designation in astronomy is the astronomical naming conventions, naming convention applied to astronomical objects immediately following their discovery. The provisional designation is usually superseded by a permanent designation onc ...

for any comet, asteroid, or minor planet discovered between April 1 and 15

In chemistry and biology

* ATC code G, ''Genito-urinary system and sex hormones'', a section of the Anatomical Therapeutic Chemical Classification System * Ganesha (psychedelic) (G), a psychedelic drug *

G protein G proteins, also known as guanine nucleotide-binding proteins, are a Protein family, family of proteins that act as molecular switches inside cells, and are involved in transmitting signals from a variety of stimuli outside a cell (biology), ...

, a family of proteins *

G factor (psychometrics) The ''g'' factor is a construct developed in psychometric investigations of Cognitive skill, cognitive abilities and human intelligence. It is a variable that summarizes positive correlations among different cognitive tasks, reflecting the asser ...

* Gamma-Hydroxybutyric acid, a drug more commonly known as GHB *

Glycine Glycine (symbol Gly or G; ) is an amino acid that has a single hydrogen atom as its side chain. It is the simplest stable amino acid. Glycine is one of the proteinogenic amino acids. It is encoded by all the codons starting with GG (G ...

, an amino acid * Guanosine, a nucleoside *

Haplogroup G (mtDNA) In human mitochondrial genetics, Haplogroup G is a human mitochondrial DNA (mtDNA) haplogroup. Origin Haplogroup G is a descendant of haplogroup M. Haplogroup G is divided into subclades G1, G2, G3, and G4. Distribution It is an East Asian ...

, a human mitochondrial haplogroup * Haplogroup G (Y-DNA), a Y-chromosome haplogroup

In computing

* "G", the visual programming language LabVIEW is based on * G, a synonym for the binary prefix gibi

In linguistics

* , a symbol in IPA for '' voiced uvular plosive'' * , a symbol in IPA for ''

voiced velar stop The voiced velar plosive or stop is a type of consonantal sound used in many spoken languages. Some languages have the voiced pre-velar plosive, which is articulated slightly more front compared with the place of articulation of the prototypic ...

In mathematics

G

, Catalan's constant *

G

, Graham's number *

g

, a

metric tensor In the mathematical field of differential geometry, a metric tensor (or simply metric) is an additional structure on a manifold (such as a surface) that allows defining distances and angles, just as the inner product on a Euclidean space allows ...

G

, any of various

G

-functions *

g

, Hedges' g, a measure of

effect size In statistics, an effect size is a value measuring the strength of the relationship between two variables in a population, or a sample-based estimate of that quantity. It can refer to the value of a statistic calculated from a sample of data, the ...

In physics

With respect to electromagnetism

* G band (disambiguation) *

Gauss (unit) The gauss (symbol: , sometimes Gs) is a unit of measurement of magnetic induction, also known as magnetic flux density. The unit is part of the Gaussian units, Gaussian system of units, which inherited it from the older centimetre–gram–second ...

, a unit of magnetic induction * ''G'',

electrical conductance The electrical resistance of an object is a measure of its opposition to the flow of electric current. Its reciprocal quantity is , measuring the ease with which an electric current passes. Electrical resistance shares some conceptual paral ...

With respect to gravitation

* Einstein tensor, G, in general relativity *

Gravitational constant The gravitational constant is an empirical physical constant involved in the calculation of gravitational effects in Sir Isaac Newton's law of universal gravitation and in Albert Einstein's general relativity, theory of general relativity. It ...

, G, an empirical physical constant *

Graviton In theories of quantum gravity, the graviton is the hypothetical elementary particle that mediates the force of gravitational interaction. There is no complete quantum field theory of gravitons due to an outstanding mathematical problem with re ...

(G), a fundamental particle theorized to mediate the gravitational interaction *

Gravity of Earth The gravity of Earth, denoted by , is the net force, net acceleration that is imparted to objects due to the combined effect of gravitation (from mass distribution within Earth) and the centrifugal force (from the Earth's rotation). It is a Eucl ...

, g, the local acceleration due to gravity ** ''g''-force, the acceleration of a body relative to free fall **

Standard gravity The standard acceleration of gravity or standard acceleration of free fall, often called simply standard gravity and denoted by or , is the nominal gravitational acceleration of an object in a vacuum near the surface of the Earth. It is a constant ...

(''g''₀ or ''g''_n), the standardised acceleration due to gravity on Earth

Other uses in physics

Gibbs free energy In thermodynamics, the Gibbs free energy (or Gibbs energy as the recommended name; symbol is a thermodynamic potential that can be used to calculate the maximum amount of Work (thermodynamics), work, other than Work (thermodynamics)#Pressure–v ...

, a function of thermodynamics *

Gluon A gluon ( ) is a type of Massless particle, massless elementary particle that mediates the strong interaction between quarks, acting as the exchange particle for the interaction. Gluons are massless vector bosons, thereby having a Spin (physi ...

(g), a fundamental particle which mediates the strong interaction *

Shear modulus In materials science, shear modulus or modulus of rigidity, denoted by ''G'', or sometimes ''S'' or ''μ'', is a measure of the Elasticity (physics), elastic shear stiffness of a material and is defined as the ratio of shear stress to the shear s ...

, in materials science, the ratio of shear stress to shear strain in a material

In scales, weights and measures

* G,

giga- Giga- ( or ) is a unit prefix in the metric system denoting a factor of a short-scale billion or long-scale milliard (109 or 1,000,000,000). It has the symbol G. ''Giga-'' is derived from the Greek word (''gígas''), meaning "giant". The ...

, an SI prefix meaning 10⁹ = 1,000,000,000 * g,

gram The gram (originally gramme; SI unit symbol g) is a Physical unit, unit of mass in the International System of Units (SI) equal to one thousandth of a kilogram. Originally defined in 1795 as "the absolute Mass versus weight, weight of a volume ...

, a unit of mass in the SI and CGS systems * "''g'' factor", or general intelligence factor, in psychometrics * G,

Birmingham gauge The Birmingham gauge, officially the Birmingham Wire Gauge and often abbreviated as ''G'' or ''ga'', is unit or wire gauge used to measure the thickness or diameter of wires and tubing, including hypodermic needles and other medical tube products. ...

, used to measure the diameter of hypodermic needles

Slang

* G, US slang for a thousand dollars * Gangsta, in hip hop culture, the word for a person or a style

Transportation

* G (Los Angeles Railway) * G (New York City Subway service), the G Brooklyn–Queens Crosstown Local, a rapid transit service * G, the aircraft registration prefix for the United Kingdom * G Line (Los Angeles Metro) * SEPTA Route 15, a SEPTA Metro service, labeled G *

Tokyo Metro Ginza Line The is a subway line in Tokyo, Japan, operated by Tokyo Metro. The official name is . It is long and serves the wards of Shibuya, Minato, Tokyo, Minato, Chūō, Tokyo, Chūō, Chiyoda, Tokyo, Chiyoda, and Taitō, Tokyo, Taitō. It is the old ...

, a subway service operated by the Tokyo Metro, labeled Logo of Tokyo Metro Ginza Line

, the official West Japan Railway Company service symbol for the Fukuchiyama Line.

Other uses

* Geraint Thomas (born 1986), Welsh professional cyclist commonly referred to as G * G the ground floor, particularly in elevators * G, an ITU prefix for radio and television call signs in the United Kingdom * 'g', the growth rate, in the dividend discount model approach to financial valuation * Dominical letter G for a

common year starting on Monday A common year starting on Monday is any non-leap year (i.e., a year with 365 days) that begins on Monday, 1 January, and ends on Monday, 31 December. Its dominical letter hence is G. The most recent year of such kind was 2018, and the next one ...

Golf Golf is a club-and-ball sport in which players use various Golf club, clubs to hit a Golf ball, ball into a series of holes on a golf course, course in as few strokes as possible. Golf, unlike most ball games, cannot and does not use a standa ...

, the military time zone code for UTC+07:00 * G (or the more specific G-4 or G-6), a relatively poor grade of

coin A coin is a small object, usually round and flat, used primarily as a medium of exchange or legal tender. They are standardized in weight, and produced in large quantities at a mint in order to facilitate trade. They are most often issued by ...

* G (short for "Greek") in

biblical criticism Modern Biblical criticism (as opposed to pre-Modern criticism) is the use of critical analysis to understand and explain the Bible without appealing to the supernatural. During the eighteenth century, when it began as ''historical-biblical c ...

refers to the

Septuagint The Septuagint ( ), sometimes referred to as the Greek Old Testament or The Translation of the Seventy (), and abbreviated as LXX, is the earliest extant Greek translation of the Hebrew Bible from the original Biblical Hebrew. The full Greek ...

, the oldest extant translation of the Hebrew scriptures into Greek. *

Guard (gridiron football) In American football, a guard (G), otherwise known as an offensive guard (OG), is an Lineman (gridiron football), offensive line player who lines up between the center (American football), center and the offensive tackle, tackles. Like other ...