- Afrikaans: veertig (af)
- Albanian: dyzet (sq)
- Ancient Greek: τεσσαράκοντα (tessarákonta)
- Arabic: أَرْبَعِينَ (ʾarbaʿīna), (only nominative, formal) أَرْبَعُون (ʾarbaʿūn), (numeral) ٤٠ (40)
- Egyptian Arabic: أربعين (ʾarbaʿīn)
- Aramaic:
- Hebrew: ארבעין (arb‘īn) c
- Syriac: ܐܪܒܥܝܢ (arb‘īn) c
- Armenian: քառասուն (hy) (kʿaṙasun)
- Aromanian: patrudzãts, patrudzãtsi
- Asturian: cuarenta (ast)
- Azerbaijani: qırx (az)
- Bashkir: ҡырҡ (qïrq)
- Basque: berrogei (eu)
- Belarusian: со́рак (sórak)
- Bengali: চল্লিশ (côllish)
- Biatah Bidayuh: pat puru
- Breton: daou-ugent (br)
- Bulgarian: четири́десет (četirídeset), четири́йсет (četiríjset)
- Burmese: လေးဆယ် (le:hcai)
- Catalan: quaranta (ca)
- Chamicuro: ma'pojtamala chunka
- Chamorro: kuårenta
- Chechen: шовзткъа (šowztq̇a)
- Cherokee: ᏅᎩᏍᎪᎯ (nvgisgohi)
- Chichewa: makumi anayi
- Chinese:
- Cantonese: 四十 (sei3 sap6)
- Hakka: 四十 (si-sṳ̍p)
- Mandarin: 四十 (zh) (sìshí)
- Min Dong: 四十 (（sei seik>si leik))
- Teochew: 四十 (si3zab8), 卌 (siab8)
- Wu: 四十 (sỳ zoep)
- Crimean Tatar: qırq
- Czech: čtyřicet (cs)
- Dalmatian: quaranta
- Danish: fyrre (da)
- Dhivehi: ސާޅީސް (sāḷīs)
- Dutch: veertig (nl) f
- Esperanto: kvardek (eo)
- Estonian: nelikümmend (et)
- Faroese: fjøruti
- Fijian: vasagavulu
- Finnish: neljäkymmentä (fi)
- French: quarante (fr) m
- Friulian: cuarante
- Galician: corenta (gl)
- Georgian: ორმოცი (ormoci)
- German: vierzig (de) f
- Greek: σαράντα (el) (saránta)
- Haitian Creole: karant
- Hausa: arba'in
- Hawaiian: kanahā
- Hebrew: אַרְבָּעִים m, f (arba'ím)
- Hindi: चालीस (hi) (cālīs)
- Hungarian: negyven (hu)
- Icelandic: fjörutíu (is)
- Ido: quaradek (io)
- Indonesian: empat puluh
- Interlingua: quaranta
- Irish: daichead (ga)
- Italian: quaranta (it)
- Japanese: 四十 (ja) (よんじゅう, yonjū), 四十 (ja) (しじゅう, shijū)
- Karachay-Balkar: къыркъ (qirq)
- Kazakh: қырық (kk) (qırıq)
- Khmer: សែសិប (km) (sɐe səp), (numeral) ៤០ (40)
- Komi-Permyak: нёльдас (njolʹdas)
- Korean: 사십 (ko) (sasip) (四十 (ko)), 마흔 (ko) (maheun)
- Kurdish: çil (ku), چل (ku)
- Kyrgyz: кырк (ky) (kırk)
- Ladin: caranta
- Lakota: wikčémna tópa
- Lao: ສີ່ສິບ (sī sip)
- Latin: quadraginta (la)
- Latvian: četrdesmit (lv)
- Lithuanian: keturiasdešimt (lt)
|
|
- Livonian: nēļakimdõ
- Luxembourgish: véierzeg
- Lü: ᦉᦲᧈᦉᦲᧇ (ṡii1ṡiib)
- Macedonian: четириесет (četirieset)
- Malay: empat puluh
- Maltese: erbgħin
- Manchu: please add this translation if you can
- Mansi: налыман (nalyman)
- Manx: daeed
- Maori: whā tekau
- Mongolian: дөч (mn) (döč)
- Nauruan: animo
- Navajo: dízdiin
- Norman: quarante
- Norwegian: førti (no)
- Novial: quaranti
- Occitan: quaranta (oc)
- Ojibwe: niimidana
- Old Church Slavonic: четыре десѧте (četyre desęte)
- Old East Slavic: сорокъ (sorokŭ)
- Old English: fortiġ
- Old Frisian: fiuwertich
- Persian: چهل (fa) (čehel)
- Plautdietsch: featijch
- Polish: czterdzieści (pl)
- Portuguese: quarenta (pt)
- Quechua: tawa chunka
- Romanian: patruzeci (ro)
- Romansch: quaranta, curonta, curànta, curanta, quaraunta
- Russian: со́рок (ru) (sórok)
- Rusyn: со́рок (sórok)
- Saanich: ŋəsɬšeʔ
- Samoan: fasefulu
- Sanskrit: चत्वारिंशत् (sa) (catvāriṃśat)
- Sardinian: baranta, caranta
- Scottish Gaelic: (old system) dà fhichead, (new system) ceathrad
- Serbo-Croatian:
- Cyrillic: четрдесет
- Roman: četrdeset
- Shan: သီႇသိပ်း (sìi síp)
- Sicilian: quaranta (scn)
- Sinhalese: හතළිහ (hataḷiha)
- Slovak: štyridsať (sk)
- Slovene: štirideset (sl)
- Sorbian:
- Lower Sorbian: styrźasća
- Upper Sorbian: štyrceći
- Southern Altai: тӧртӧн (törtön) ,кырык (kïrïk)
- Spanish: cuarenta (es)
- Swahili: arobaini (sw), arubaini (sw)
- Swedish: fyrti (sv), fyrtio (sv)
- Tagalog: apatnapu
- Tahitian: maha 'ahuru
- Tajik: чил (tg) (čil)
- Tatar: кырык (tt) (qırıq)
- Telugu: నలభై (te) (nalabhai)
- Thai: สี่สิบ (sìi-sìp)
- Tibetan: བཞི་བཅུ (bzhi bcu), ༤༠ (40) (numeral)
- Tigrinya: ኣርባዓ (ti) (ʾarbaʿa)
- Tofa: дөртэн (dörten)
- Tongan: fāngofulu
- Turkish: kırk (tr)
- Turkmen: kyrk (tk)
- Udmurt: ньыльдон (nʹylʹdon)
- Ukrainian: со́рок (uk) (sórok)
- Unami: neinxke
- Urdu: چالیس (cālīs)
- Uzbek: qirq (uz)
- Venetian: cuaranta, quaranta
- Vietnamese: bốn mươi, bốn chục
- Volapük: foldeg (vo), fols (older term, obsolete)
- Welsh: deugain vigesimal, traditional, pedwar deg decimal
- West Frisian: fjirtich
- Yiddish: פֿערציק (fertsik)
- Yup'ik: yuinaak malruk, malruk ipiaq
- Zazaki: çores
|