Home›Industrial design›Preferred number🌐EnglishEnglishDeutschEspañolFrançaisItalianoPolskiРусский中文日本語EntityQ36247· pop 16· linked from 41 articlesPreferred numberAlso known as convenient numbersstandard guidelines for choosing exact product dimensions within a given set of constraintsWikidata factsShow 1 more factCommons categoryE12 valuesSources (1)wikidata.orgvia Wikidata · CC0Available in 15 languagesEspañolFrançais日本語РусскийCzechDanishEsperantoEstonianHebrewNorwegianConnectionsE seriesEntityNational Institute of Standards and TechnologyEntityCategoriesIndustrial designLogarithmic scales of measurementNumbersUse Oxford spelling from December 2011