Standard bed sizes are based on standard
mattress A mattress is a large, usually rectangular pad for supporting a lying A lie is an assertion that is believed to be false, typically used with the purpose of deceiving someone. The practice of communicating lies is called lying. A person who ...

sizes, which vary from country to country.
Bed A bed is a piece of furniture Furniture refers to movable objects intended to support various human activities such as seating (e.g., chairs, stools, and sofas), eating (table (furniture), tables), and sleeping (e.g., beds). Furniture ...

sizes also vary according to the size and degree of ornamentation of the
bed frame A bed frame or bedstead is the part of a bed A bed is a piece of furniture Furniture refers to movable objects intended to support various human activities such as seating (e.g., chairs, stools, and sofas), eating (table (furniture), ...
. Dimensions and names vary considerably around the world, with most countries having their own standards and terminology. In addition, two mattresses with the same nominal size may still have slightly different dimensions, due to manufacturing tolerances, amount of padding, and support type. While beds are generally rectangular, more specialized shapes may be obtained by special order, such as circular beds. Mattress sizes may differ from bedding sizes.


Naming standards on different bed sizes and their corresponding actual measurements can vary across national standards. Examples of such nomenclature are names like "Single", "Double", "Queen" or "King" size. Sometimes the naming standards are further divided by adding adjectives such as "Narrow", "Wide", "Extra Wide", "Long", "Extra Long" and so on, which also can vary across national standards. For example, a ''King size'' bed may measure (in width by length): * in the UK. * in New Zealand. * in Portugal, but is also available in lengths. * in Indonesia. * in Singapore and Malaysia. * in Australia. * in India. * in the US. Because of the growth of
international trade International trade is the exchange of capital Capital most commonly refers to: * Capital letter Letter case (or just case) is the distinction between the letters that are in larger uppercase or capitals (or more formally ''majuscul ...
and the above potential cause of confusion, bed sizes are becoming more standardized. In most countries, using the
International System of Units The International System of Units, known by the international abbreviation SI in all languages and sometimes Pleonasm#Acronyms_and_initialisms, pleonastically as the SI system, is the modern form of the metric system and the world's most wi ...
, bed
dimensions In physics Physics is the natural science that studies matter, its Elementary particle, fundamental constituents, its Motion (physics), motion and behavior through Spacetime, space and time, and the related entities of energy and force ...
most often appear in
centimeter 330px, Different lengths as in respect to the Electromagnetic spectrum, measured by the Metre and its deriveds scales. The Microwave are in-between 1 meter to 1 millimeter. A centimetre (international spelling) or centimeter (American spellin ...
s, and often only by width and length. In the
United States The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country Continental United States, primarily located in North America. It consists of 50 U.S. state, states, a Washington, D.C., ...

United States
Canada Canada is a country in the northern part of North America North America is a continent A continent is any of several large landmasses. Generally identified by convention (norm), convention rather than any strict criteria, ...

and other regions influenced by the former
British Empire The British Empire was composed of the dominions, Crown colony, colonies, protectorates, League of Nations mandate, mandates, and other Dependent territory, territories ruled or administered by the United Kingdom and its predecessor states. ...

British Empire
, dimensions are often in inches.


Europe may traditionally have had more variations in national bed size standards than any other part of the world,Continental European Bed Sizes - bedsizes.biz
/ref> but in the recent years a few sizes have become more common than others. Bed sizes are defined in centimeters in all European countries, although supplementary Imperial equivalents are sometimes shown in the
United Kingdom The United Kingdom of Great Britain and Northern Ireland, commonly known as the United Kingdom (UK) or Britain,Usage is mixed. The Guardian' and Telegraph' use Britain as a synonym for the United Kingdom. Some prefer to use Britain as shorth ...

United Kingdom
. Today, the most common widths sold by pan European retailers are: * for single beds. * for double beds. Other sizes are also available in some European countries (e.g., ), but the widths listed above are the most common when looking at the European market as a whole, while and (nominal) are more typical in the UK and Ireland. Today, the length is the most common bed length sold by pan-European retailers. Lengths of are often also available by special order. The longer beds are intended for taller people, and as a rule of thumb long beds may be recommended to people or taller, while beds are recommended for people over tall.


In France, single size beds are usually . The most common sizes for double beds are: * Valet size * Queen size * King size * Kingdom size


In Italy, beds are classified by name and use the term ''piazza'' as in "place" Standard sizes are: ; ''una piazza'' (literally "one place") or ''singolo'' ("single"): * * ; ''una piazza e mezza'' (literally "1 places") or ''Letto da prete'' (literally "priest's bed"): * ; ''piazza e mezza francese'' (literally "French 1 places"): * ; ''due piazze'' (double, literally "two places") or ''letto matrimoniale'' (literally "matrimonial bed"): * *

Northern Europe

These sizes are for Austria, Switzerland, Liechtenstein, Germany, Poland, Belgium, Netherlands, Luxembourg, Norway, Sweden, Denmark, Iceland, Finland, Estonia, Latvia, and Lithuania. There are some variations between different countries, but these are the most common sizes. Until the 1980s the most common mattress length was 190 cm. ;Single: * , mainly for double beds with two separate mattresses. * , mainly for young peoples beds/ bunk beds and double beds with two separate mattresses. * , common single bed. Extended variants are typically . * , new common single bed size. * , uncommon, often as futon beds that are sold with mattress, slats and frame. * , common, especially among young people. ;Double: * * , common, often with two separate mattresses. * , most common double bed, often with two separate mattresses. * , a common extra-wide bed, often with two separate mattresses.


In Portugal, the most common widths for beds are: ; solteiro (single): or ; casal (double): ; Queen size: ; King size: ; Super king size: Beds are typically or long, but have become more common.


In Spain, standardized lengths are , with being the most common. Standardized widths are . The most common bed sizes are: ;individual (single): ;matrimonio (double, literally "matrimonial"):

UK and Ireland

In the United Kingdom and Ireland, beds are measured according to the size of mattress they hold, not the dimensions of the bed frame itself; bed frame sizes are not standardized and may differ between manufacturers. Listed below are the typical bed sizes from the National Bed Federation, which is the
trade association A trade association, also known as an industry trade group, business association, sector association or industry body, is an organization founded and funded by businesses that operate in a specific industry Industry may refer to: Economics * ...
for the majority of British and Irish bed manufacturers and their suppliers. Most NBF manufacturers use designs dimensioned in feet and inches with the metric indicators not being exact equivalents. There can legally be a tolerance of up to ± between the quoted measurements and the size of the mattress itself. . Some UK retailers may have a "queen" size which refers to one of the above standard sizes, but there is inconsistency around which size specifically, with both the small double and super king being prevalent. As well as customary UK sizes, some common European sizes can be found in the UK from imports and
IKEA#REDIRECT IKEA ''IKEA'' () is a Swedish multinational conglomerate that designs and sells , kitchen appliances and home accessories, among other useful goods and occasionally home services. Founded in Sweden Sweden (; sv, Sverige ), offic ...
. The typical length of an IKEA and other European mattresses is , whereas UK lengths vary depending on the width of the mattress, being usually either . In 2015, IKEA started offering beds and mattresses in customary UK sizes alongside their standard European sizes.

North America

The sizes of mattresses use non-numeric labels such as a "king" or "full", but are defined in inches. Historically most beds were "twins" or "doubles" but in the mid–1940s larger mattresses were introduced by manufacturers. These were later standardized as "queen" and "king", and first made a significant impact on the market in the 1950s and 60s. Standard mattress depth ranges from the "standard" size of to "high contour" of up to . Below are the standard ISPA widths and heights in the United States and Canada. Note: While dimensions are specified to the half-inch below, the actual dimension used by manufacturers or various websites may be half an inch larger or smaller. Less common sizes include: There are also a number of specialty sizes for specific use cases:
Bedding Bedding, also known as bedclothes or bed linen, is the materials laid above the mattress A mattress is a large, usually rectangular pad for supporting a lying A lie is an assertion that is believed to be false, typically used with the pur ...

in the United States must state the type of bed it is intended for, in addition to the dimensions in both inches and centimeters.



The following bed sizes are available in Australia.

New Zealand

The following bed sizes are available in New Zealand.


South Africa

In South Africa, bed sizes have standard lengths of either , with the latter being called ''XL'' variants. XL mattresses have the same widths as their non-XL counterparts. The XL length is recommended for persons over tall. ; Single: wide ; Three-quarter: wide ; Double: wide ; Queen: wide ; King: wide. Equal to the width of two single mattresses. ; Super King: wide. Available in XL length only.



In India, the following sizes are standard: ; Single: ; Double: ; Queen: ; King:


In China, the following sizes are standard: * Lengths: * Single bed widths: * Double bed widths: In practice, bed sizes are usually categorized by the width. The length is typically , but this may vary. The most common sizes are: * * * Other bed sizes are available, which are less common however.


Indonesia Indonesia ( ), officially the Republic of Indonesia ( id, Republik Indonesia, links=yes ), is a country in Southeast Asia Southeast Asia, also spelled South East Asia and South-East Asia, and also known as Southeastern Asia or SEA, is t ...

, the standard length is always . The following market-standard sizes are commonly available in Indonesia: ; Single: ; Double or twin: ; Queen: ; King: ; Super King:


Standard Japanese is an East Asian language spoken by about 128 million people, primarily in Japan, where it is the national language. It is a member of the Japonic languages, Japonic (or Japanese-Ryukyuan languages, Ryukyuan) language family, and its ultimate ...
bedding sizes are described in the standard ''JIS S 1102:2017 Beds for domestic use'' by the
Japanese Standards Association is the Japanese industrial standard development organization. JSA promotes standardization and management system in Japan through the following activities: * Development of national standards ( JIS) * Support of international standardization acti ...


There are five common bed in Taiwan, locally known as 3 footer, 3.5 footer, 5 footer, 6 footer and 7 footer. They are also known as Taiwanese small single, twin, full, queen and king respectively. However, American beds are also popular in Taiwan. Bedroom furniture and bedding of U.S. standard sizes can be purchased in major cities there.

See also

Infant bed An infant bed (commonly called a cot in British English British English (BrE) is the standard dialect A standard language (also standard variety, standard dialect, and standard) is a language variety that has undergone substantial codifi ...
Toddler bed A toddler bed is a small bed designed for toddlers. A child grows capable of escaping an infant bed around one and a half or two years of age, at which they are often transitioned to a toddler bed. They become too large for a toddler bed between the ...
Bed sheet A bed sheet is a rectangular piece of cloth A textile is a flexible material made by creating an interlocking bundle of yarn Yarn is a long continuous length of interlocked fibres, suitable for use in the production of textiles, se ...


External links

{{DEFAULTSORT:Bed Size Beds Mattresses Mechanical standards