A rating is an evaluation or assessment of something, in terms of quality, quantity, or some combination of both. Rating or ratings may also refer to:

Business and economics

* Credit rating, estimating the credit worthiness of an individual, corporation or country *

Ranally city rating system The Ranally city rating system is a tool developed by Rand McNally & Co. to classify U.S. cities based on their economic function. The system is designed to reflect an underlying hierarchy whereby consumers and businesses go to a city of a certain ...

, a tool used to classify U.S. cities based on economic function * Telecommunications rating, the calculated cost of a phone call

Entertainment

Arbitron ratings Nielsen Audio (formerly Arbitron) is a consumer research company in the United States that collects listener data on radio broadcasting audiences. It was founded as the American Research Bureau by Jim Seiler in 1949 and became national by mergin ...

or Nielsen Audio, consumer research on radio broadcasting audiences in the United States * Content rating, the suitability of a TV broadcast, movie, comic book, or video game to its audience ** Motion picture rating system, categorizes films according to their suitability for adults and children ** Television content rating systems, categorizes TV shows based on suitability for audiences ** Video game content rating system, categorizes video games based on suitability for players *

Nielsen ratings Nielsen Media Research (NMR) is an American firm that measures media audiences, including television, radio, theatre, films (via the AMC Theatres MAP program), and newspapers. Headquartered in New York City, it is best known for the Nielsen rat ...

, measuring viewership of United States television programs * Sports rating system, analyzes the results of sports competitions

Polling and opinion

Rating (sociological group) Rating ( uk, Рейтинг), or fully the Sociological group "Rating" ( uk, Соціологічнна група «Рейтинг»), is a Ukraine, Ukrainian independent, non-governmental research organization, that specializes in conducting ...

, a Ukrainian non-governmental polling organization * United States presidential approval rating, the percentage of respondents to an opinion poll who approve of a president * Reputation system, programs that allow users to rate each other in online communities

Technology and engineering

Rating (electrical) Rating plate on the Dalchonzie power station generator - geograph

Fire-resistance rating, the duration for a passive fire protection to withstand a standard fire resistance test * Cetane rating, an indicator of the combustion speed of diesel fuel and compression needed for ignition *

Octane rating An octane rating, or octane number, is a standard measure of a fuel's ability to withstand compression in an internal combustion engine without detonating. The higher the octane number, the more compression the fuel can withstand before detonating ...

, a standard measure of the performance of an engine or aviation fuel * Performance Rating, formerly a method of comparing x86 computer processors * Power rating, in electrical or mechanical engineering, the highest power input allowed to flow through particular equipment

Other uses

Rating (chess) A chess rating system is a system used in chess to estimate the strength of a player, based on their performance versus other players. They are used by organizations such as FIDE, the US Chess Federation (USCF or US Chess), International Correspond ...

, estimate of the strength of a player, based on performance versus other players ** Elo rating system, a rating system used in chess and in other sports and games * Rating (clinical trials), the process by which a human evaluator subjectively judges the response of a patient to a medical treatment * Rating (wine), score assigned by one or more wine critics to a wine * Rating site, a website designed for users to vote on or rate people or content * Naval rating, an enlisted member of a navy or coast guard defined by rank and job description. * Health care ratings, evaluations of health care * Rating system of the Royal Navy - an historic method to classify ship by how heavily armed they are. Applied to other navies vessels as a comparisor.

Business and economics

Entertainment

Polling and opinion

Technology and engineering

Other uses

See also