Paper Size comparison toolUnitsmmcmminchesptpcpx @300dpiCompare:Business CardSelect a series...ABUSC EnvelopePhotographyUS EnvelopeInternational EnvelopeBooksNewspaperBusiness CardColombianChineseFrenchDINJapaneseTransitionalSwedishImperialBillboardRawCanadianTraditional BritishHungarySelect a paper...ISO 7810 ID-1EuropeanUS/CanadaJapanScandinaviaChinaHungaryIranISO 21690 × 50 mmWith:Select a series...Select a series...ABUSC EnvelopePhotographyUS EnvelopeInternational EnvelopeBooksNewspaperBusiness CardColombianChineseFrenchDINJapaneseTransitionalSwedishImperialBillboardRawCanadianTraditional BritishPopular comparisonsA4 → A3A3 → A4A4 → A5Letter → A4A4 → LetterLegal → Letter