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


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

Polling and opinion

* Rating (sociological group), 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 Reputation systems are programs or algorithms that allow users to rate each other in online communities in order to build trust through reputation. Some common uses of these systems can be found on E-commerce websites such as eBay, Amazon.com, ...
, programs that allow users to rate each other in online communities

Technology and engineering

* Rating (electrical), the voltage at which the appliance is designed to work * 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 detonatin ...
, a standard measure of the performance of an engine or aviation fuel *
Performance Rating The PR (Performance Rating, P-rating) system was a figure of merit developed by AMD, Cyrix, IBM Microelectronics and SGS-Thomson in the mid-1990s (Cyrix announced it in February 1996) as a method of comparing their x86 processors to those of r ...
, 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), 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.

See also

* * * Rate (disambiguation) * Television ratings (disambiguation) *
Grade (education) Grading in education is the process of applying standardized measurements for varying levels of achievements in a course. Grades can be assigned as letters (usually A through F), as a range (for example, 1 to 6), as a percentage, or as a numb ...
, standardized measurements of varying levels of achievement * Star (classification), symbols often used for ratings *
Likert scale A Likert scale ( , commonly mispronounced as ) is a psychometric scale commonly involved in research that employs questionnaires. It is the most widely used approach to scaling responses in survey research, such that the term (or more fully the ...
, a psychometric scale commonly involved in research *
Parental Advisory Advisory (abbreviated PAL) is a warning label introduced by the Recording Industry Association of America (RIAA) in 1985 and adopted by the British Phonographic Industry (BPI) in 2011. It is placed on audio recordings in recognition of profan ...
, a warning label placed on audio recordings in recognition of excessive profanities or inappropriate references {{disambiguation