Italian Numbers: Complete Guide from 1 to 100 with Pronunciation

Q: How do Italian numbers work from 20 to 100?

Italian numbers from 20 to 100 follow a consistent compound pattern. You take the tens word (venti, trenta, quaranta, cinquanta, sessanta, settanta, ottanta, novanta) and attach the ones digit directly to form a single word. For example, trenta + due = trentadue (32), cinquanta + sei = cinquantasei (56). The only special rule is that the final vowel of the tens word drops before uno (1) and otto (8): ventuno (21), ventotto (28), trentuno (31), trentotto (38). Numbers ending in tre take an accent: ventitré (23), trentatré (33). Once you know the ten tens words and this vowel-dropping rule, you can form any number up to 100 without hesitation.

Q: Is 17 unlucky in Italy?

Yes, seventeen (diciassette) is considered the unlucky number in Italy, similar to how thirteen is viewed in many English-speaking countries. The superstition is thought to come from the Roman numeral XVII, which can be rearranged to spell VIXI, a Latin word meaning "I have lived." This implies death, making it a cultural taboo. In Italy, some buildings skip the 17th floor, Friday the 17th (not the 13th) is considered an unlucky day, and the airline Alitalia historically had no row 17 on its planes. Interestingly, thirteen is actually considered lucky in Italy, the opposite of the Anglo-Saxon tradition. The number associated with bad luck varies significantly across cultures, making this a fascinating cultural point to know.

Q: How do you tell time in Italian?

Italian tells time using the feminine plural article "le" plus the hour number because the word "ore" (hours) is feminine and implied. Say "Sono le tre" for 3 o'clock. The exceptions are one o'clock, which uses the singular "E l'una," and noon and midnight, which are "E mezzogiorno" and "E mezzanotte." For half past, use "e mezza" (and a half): "Sono le due e mezza" (2:30). For quarter past, use "e un quarto" (and a quarter): "Sono le sei e un quarto" (6:15). For quarter to, use "meno un quarto" (minus a quarter): "Sono le otto meno un quarto" (7:45). Italy commonly uses the 24-hour clock in formal and written contexts, so train schedules might show "le diciassette" for 5 PM.

Q: Do Italian numbers change for gender?

Italian numbers are mostly invariable, meaning they do not change for the gender of the noun they describe. The one important exception is uno, which follows the same patterns as the indefinite article: un before masculine nouns, uno before masculine nouns starting with z or s plus consonant, una before feminine nouns, and un' before feminine nouns starting with a vowel. This also applies to compound numbers ending in -uno: ventun libri (21 books, masculine) versus ventuna pagine (21 pages, feminine). The number mille (1,000) is also noteworthy because its plural is irregular: duemila (2,000), tremila (3,000). Beyond these cases, numbers like due, tre, quattro, and all the tens stay exactly the same regardless of the noun's gender.

Q: How do you say 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 in Italian?

The numbers 1-10 in Italian are: uno, due, tre, quattro, cinque, sei, sette, otto, nove, dieci. These pronunciation guides help: uno (OO-noh), due (DOO-eh), tre (TREH), quattro (KWAT-troh), cinque (CHEEN-kweh), sei (SAY), sette (SET-teh), otto (OT-toh), nove (NOH-veh), dieci (DYEH-chee). The most effective approach combines active recall with spaced repetition. Start by creating flashcards covering these key numbers, then review them daily using a spaced repetition system like FluentFlash's FSRS algorithm. This method is backed by extensive research and consistently outperforms passive review methods like re-reading or highlighting. Most learners see substantial progress within a few weeks of consistent practice, especially when paired with active study techniques like speaking each number aloud.

Q: What's the hardest thing about learning Italian?

For many learners, the hardest aspects of Italian are verb conjugations and gendered nouns, not numbers. However, Italian numbers present a unique challenge because you must use them quickly in real-world situations like telling time or understanding prices. The best approach to mastering Italian numbers is combining focused study sessions with spaced repetition for long-term retention. FluentFlash makes this easy with AI-generated flashcards and the FSRS algorithm, proven by research to be 30% more efficient than traditional methods. Free study tools are available with all eight study modes and no credit card required to start. Consistent daily practice, even just 10-15 minutes, is more effective than long, infrequent study sessions. The FSRS algorithm in FluentFlash automatically schedules your reviews at the optimal moment for retention, so you spend less time studying and retain more.

ItalianBy FluentFlash Research Team·Updated 2026-04-30

Italian numbers are one of the first things every learner must master. You will use them constantly when telling time, shopping, giving phone numbers, reading addresses, ordering food, and understanding prices.

The good news is that Italian numbers follow logical, predictable patterns once you learn the basics. Numbers one through twenty must be memorized individually since each has a unique form. From twenty-one onward, Italian numbers become compound words that follow a consistent pattern.

How Compound Numbers Work

From 21 onward, combine the tens digit with the ones digit as a single word. The key rule: drop the final vowel of the tens word before uno (1) and otto (8). For example, venti + uno becomes ventuno (not ventiuno), and trenta + otto becomes trentotto.

Gender and Italian Numbers

Unlike some languages, Italian numbers do not change for gender in most cases. The exceptions are uno (which becomes una before feminine nouns) and numbers ending in -uno. FluentFlash uses spaced repetition to help you build automatic number recognition, essential for real-world fluency where you need to process numbers quickly.

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Numbers 1, 20, The Foundation

These twenty numbers must be memorized individually as each has a unique form. They are the building blocks for all larger numbers in Italian.

Pronunciation Tips

Pay special attention to the pronunciation of double consonants (tt, dd, cc). Hold these sounds slightly longer than single consonants. This distinction matters for clarity when speaking Italian.

Flashcard Strategy

Review 1-20 daily for the first week. Use active recall by covering the Italian word and saying it aloud. This method strengthens memory much more than passive reading.

uno (1): OO-noh (I have one brother)
due (2): DOO-eh (Two coffees, please)
tre (3): TREH (There are three cats)
quattro (4): KWAT-troh (I have four children)
cinque (5): CHEEN-kweh (It is five o'clock)
sei (6): SAY (I work six days a week)
sette (7): SET-teh (There are seven days in a week)
otto (8): OT-toh (The lesson starts at eight)
nove (9): NOH-veh (I have nine cousins)
dieci (10): DYEH-chee (It costs ten euros)
undici (11): OON-dee-chee (It is eleven in the morning)
dodici (12): DOH-dee-chee (The year has twelve months)
tredici (13): TREH-dee-chee (In Italy, thirteen brings good luck)
quattordici (14): kwat-TOR-dee-chee (I am fourteen years old)
quindici (15): KWEEN-dee-chee (I will arrive in fifteen minutes)
sedici (16): SEH-dee-chee (We have sixteen students)
diciassette (17): dee-chah-SET-teh (Seventeen is my lucky number)
diciotto (18): dee-CHOT-toh (At eighteen you can vote)
diciannove (19): dee-chah-NOH-veh (The train leaves at nineteen, or 7 PM)
venti (20): VEN-tee (It costs twenty euros)

Term	Meaning	Pronunciation	Example
uno	1, one	OO-noh	Ho un fratello., I have one brother.
due	2, two	DOO-eh	Due caffè, per favore., Two coffees, please.
tre	3, three	TREH	Ci sono tre gatti., There are three cats.
quattro	4, four	KWAT-troh	Ho quattro figli., I have four children.
cinque	5, five	CHEEN-kweh	Sono le cinque., It is five o'clock.
sei	6, six	SAY	Lavoro sei giorni alla settimana., I work six days a week.
sette	7, seven	SET-teh	Ci sono sette giorni in una settimana., There are seven days in a week.
otto	8, eight	OT-toh	La lezione inizia alle otto., The lesson starts at eight.
nove	9, nine	NOH-veh	Ho nove cugini., I have nine cousins.
dieci	10, ten	DYEH-chee	Costa dieci euro., It costs ten euros.
undici	11, eleven	OON-dee-chee	Sono le undici di mattina., It is eleven in the morning.
dodici	12, twelve	DOH-dee-chee	L'anno ha dodici mesi., The year has twelve months.
tredici	13, thirteen	TREH-dee-chee	In Italia, il tredici porta fortuna., In Italy, thirteen brings good luck.
quattordici	14, fourteen	kwat-TOR-dee-chee	Ho quattordici anni., I am fourteen years old.
quindici	15, fifteen	KWEEN-dee-chee	Arrivo tra quindici minuti., I'll arrive in fifteen minutes.
sedici	16, sixteen	SEH-dee-chee	Abbiamo sedici studenti., We have sixteen students.
diciassette	17, seventeen	dee-chah-SET-teh	Il diciassette è il mio numero fortunato., Seventeen is my lucky number.
diciotto	18, eighteen	dee-CHOT-toh	A diciotto anni puoi votare., At eighteen you can vote.
diciannove	19, nineteen	dee-chah-NOH-veh	Il treno parte alle diciannove., The train leaves at nineteen (7 PM).
venti	20, twenty	VEN-tee	Costa venti euro., It costs twenty euros.

Numbers 21, 100, Tens and Patterns

From 21 onward, Italian numbers are formed by combining the tens word with the ones word as a single compound word. The key rule applies: drop the final vowel of the tens word before uno (1) and otto (8).

Vowel Dropping Rule

For example, venti + uno becomes ventuno, and trenta + otto becomes trentotto. All other combinations simply join together: ventidue (22), ventitre (23). Numbers ending in tre take an accent mark: ventitré.

Written as Single Words

Italian numbers are written as single compound words, never hyphenated. Write trentacinque (35) and quarantadue (42) as one word. This rule applies all the way to 99.

ventuno (21): ven-TOO-noh (I am twenty-one years old)
ventidue (22): ven-tee-DOO-eh (There are twenty-two students in class)
ventitré (23): ven-tee-TREH (My birthday is March 23rd)
ventotto (28): ven-TOT-toh (February has twenty-eight days)
trenta (30): TREN-tah (I have thirty minutes of break)
trentuno (31): tren-TOO-noh (January has thirty-one days)
quaranta (40): kwah-RAN-tah (My father is forty years old)
cinquanta (50): cheen-KWAN-tah (It costs fifty cents)
sessanta (60): ses-SAN-tah (An hour has sixty minutes)
settanta (70): set-TAN-tah (My grandmother is seventy years old)
ottanta (80): ot-TAN-tah (Bus number eighty)
novanta (90): noh-VAN-tah (I have ninety pages to read)
cento (100): CHEN-toh (It costs one hundred euros)

Term	Meaning	Pronunciation	Example
ventuno	21, twenty-one (venti drops -i before uno)	ven-TOO-noh	Ho ventun anni., I am twenty-one years old.
ventidue	22, twenty-two	ven-tee-DOO-eh	Ci sono ventidue studenti in classe., There are twenty-two students in class.
ventitré	23, twenty-three (note accent on -é)	ven-tee-TREH	Il mio compleanno è il ventitré marzo., My birthday is March 23rd.
ventotto	28, twenty-eight (venti drops -i before otto)	ven-TOT-toh	Febbraio ha ventotto giorni., February has twenty-eight days.
trenta	30, thirty	TREN-tah	Ho trenta minuti di pausa., I have thirty minutes of break.
trentuno	31, thirty-one	tren-TOO-noh	Gennaio ha trentuno giorni., January has thirty-one days.
quaranta	40, forty	kwah-RAN-tah	Mio padre ha quaranta anni., My father is forty years old.
cinquanta	50, fifty	cheen-KWAN-tah	Costa cinquanta centesimi., It costs fifty cents.
sessanta	60, sixty	ses-SAN-tah	Un'ora ha sessanta minuti., An hour has sixty minutes.
settanta	70, seventy	set-TAN-tah	Mia nonna ha settanta anni., My grandmother is seventy years old.
ottanta	80, eighty	ot-TAN-tah	L'autobus numero ottanta., Bus number eighty.
novanta	90, ninety	noh-VAN-tah	Ho novanta pagine da leggere., I have ninety pages to read.
cento	100, one hundred	CHEN-toh	Costa cento euro., It costs one hundred euros.

Using Numbers in Everyday Italian

Numbers in Italian appear in specific contexts with their own conventions: telling time, giving dates, talking about age, and discussing prices. Here are the most common real-world patterns you need to know.

Age and Years

Use "Quanti anni hai?" to ask someone's age. The literal translation is "How many years do you have?" Respond with your age: "Ho venticinque anni" (I'm 25). Remember that anni (years) is feminine, so numbers ending in uno change: "Ho ventun anni" (21 years, masculine) but "ventuna persone" (21 people, feminine).

Telling Time

Italian uses the feminine plural "le" plus the hour number because the word "ore" (hours) is feminine. Say "Sono le tre" for 3 o'clock. Use "mezza" for half past: "Sono le due e mezza" (2:30). Use "un quarto" for quarter past: "Sono le sei e un quarto" (6:15). For quarter to, say "meno un quarto": "Sono le otto meno un quarto" (7:45).

Prices and Costs

Ask "Quanto costa?" (How much does it cost?). Use the same number rules: "Costa quarantacinque euro" (It costs 45 euros). Numbers agree with the noun they describe, though most Italian numbers stay invariable.

Dates and Ordinals

For dates, use "il primo" (the 1st), then regular numbers: "il due" (the 2nd), "il tre" (the 3rd). Use ordinal numbers (primo, secondo, terzo) when you need "first, second, third." Say "È la prima volta" (It's the first time), not "è il numero uno volta."

Quanti anni hai? (How old are you?): KWAN-tee AN-nee AH-ee
Che ore sono? (What time is it?): keh OH-reh SOH-noh
Quanto costa? (How much does it cost?): KWAN-toh KOS-tah
il primo / il due / il tre (the 1st, 2nd, 3rd): eel PREE-moh / eel DOO-eh / eel TREH
mezzo / mezza (half, used in time): MED-zoh / MED-zah
un quarto (a quarter, used in time): oon KWAR-toh
il numero di telefono (the phone number): eel NOO-meh-roh dee teh-LEH-foh-noh
primo / secondo / terzo (first, second, third ordinals): PREE-moh / seh-KON-doh / TEHR-tsoh

Term	Meaning	Pronunciation	Example
Quanti anni hai?	How old are you? (lit. 'How many years do you have?')	KWAN-tee AN-nee AH-ee	Quanti anni hai?, Ho venticinque anni., How old are you?, I'm 25.
Che ore sono?	What time is it?	keh OH-reh SOH-noh	Che ore sono?, Sono le tre e mezza., What time is it?, It's 3:30.
Quanto costa?	How much does it cost?	KWAN-toh KOS-tah	Quanto costa questa borsa?, Costa quarantacinque euro., How much is this bag?, 45 euros.
il primo / il due / il tre...	the 1st / the 2nd / the 3rd... (dates)	eel PREE-moh / eel DOO-eh / eel TREH	Oggi è il quindici aprile., Today is April 15th.
mezzo / mezza	half (used in time: e mezza = and a half)	MED-zoh / MED-zah	Sono le due e mezza., It is 2:30.
un quarto	a quarter (used in time)	oon KWAR-toh	Sono le sei e un quarto., It is 6:15.
il numero di telefono	the phone number	eel NOO-meh-roh dee teh-LEH-foh-noh	Il mio numero è tre-due-uno, quattro-cinque-sei., My number is 321-456.
primo / secondo / terzo	first / second / third (ordinal numbers)	PREE-moh / seh-KON-doh / TEHR-tsoh	È la prima volta che vengo in Italia., It's the first time I come to Italy.

How to Study Italian Effectively

Mastering Italian requires the right study approach, not just more hours. Research in cognitive science consistently shows that three techniques produce the best learning outcomes: active recall (testing yourself rather than re-reading), spaced repetition (reviewing at scientifically-optimized intervals), and interleaving (mixing related topics rather than studying one in isolation).

FluentFlash is built around all three. When you study Italian numbers with our FSRS algorithm, every term is scheduled for review at exactly the moment you are about to forget it. This maximizes retention while minimizing study time.

The Passive Review Trap

The most common mistake students make is relying on passive review methods. Re-reading your notes, highlighting textbook passages, or watching lecture videos feels productive, but studies show these methods produce only 10-20% of the retention that active recall achieves. Flashcards force your brain to retrieve information, which strengthens memory pathways far more than recognition alone.

Pair this with spaced repetition scheduling, and you can learn in 20 minutes a day what would take hours of passive review. The schedule automatically expands as cards become easier, from minutes to days to weeks, so you are always working on material at the edge of your knowledge.

Your Italian Study Plan

Generate flashcards using FluentFlash AI or create them manually from your notes
Study 15-20 new cards per day, plus scheduled reviews
Use multiple study modes (flip, multiple choice, written) to strengthen recall
Track your progress and identify weak topics for focused review
Review consistently: daily practice beats marathon sessions

After 2-3 weeks of consistent practice, Italian concepts become automatic rather than effortful to recall. You will notice that you no longer need to mentally translate each number. Speed and confidence increase naturally.

1
Generate flashcards using FluentFlash AI or create them manually from your notes
2
Study 15-20 new cards per day, plus scheduled reviews
3
Use multiple study modes (flip, multiple choice, written) to strengthen recall
4
Track your progress and identify weak topics for focused review
5
Review consistently, daily practice beats marathon sessions

Master Italian Numbers with Flashcards

Use AI-powered spaced repetition to build automatic number recognition in Italian. FluentFlash drills both individual numbers and real-world patterns like time and prices.

Study with Free Flashcards

Frequently Asked Questions

How do Italian numbers work from 20 to 100?

Italian numbers from 20 to 100 follow a consistent compound pattern. You take the tens word (venti, trenta, quaranta, cinquanta, sessanta, settanta, ottanta, novanta) and attach the ones digit directly to form a single word. For example, trenta + due = trentadue (32), cinquanta + sei = cinquantasei (56).

The only special rule is that the final vowel of the tens word drops before uno (1) and otto (8): ventuno (21), ventotto (28), trentuno (31), trentotto (38). Numbers ending in tre take an accent: ventitré (23), trentatré (33).

Once you know the ten tens words and this vowel-dropping rule, you can form any number up to 100 without hesitation.

Is 17 unlucky in Italy?

Yes, seventeen (diciassette) is considered the unlucky number in Italy, similar to how thirteen is viewed in many English-speaking countries. The superstition is thought to come from the Roman numeral XVII, which can be rearranged to spell VIXI, a Latin word meaning "I have lived." This implies death, making it a cultural taboo.

In Italy, some buildings skip the 17th floor, Friday the 17th (not the 13th) is considered an unlucky day, and the airline Alitalia historically had no row 17 on its planes. Interestingly, thirteen is actually considered lucky in Italy, the opposite of the Anglo-Saxon tradition. The number associated with bad luck varies significantly across cultures, making this a fascinating cultural point to know.

How do you tell time in Italian?

Italian tells time using the feminine plural article "le" plus the hour number because the word "ore" (hours) is feminine and implied. Say "Sono le tre" for 3 o'clock. The exceptions are one o'clock, which uses the singular "E l'una," and noon and midnight, which are "E mezzogiorno" and "E mezzanotte."

For half past, use "e mezza" (and a half): "Sono le due e mezza" (2:30). For quarter past, use "e un quarto" (and a quarter): "Sono le sei e un quarto" (6:15). For quarter to, use "meno un quarto" (minus a quarter): "Sono le otto meno un quarto" (7:45).

Italy commonly uses the 24-hour clock in formal and written contexts, so train schedules might show "le diciassette" for 5 PM.

Do Italian numbers change for gender?

Italian numbers are mostly invariable, meaning they do not change for the gender of the noun they describe. The one important exception is uno, which follows the same patterns as the indefinite article: un before masculine nouns, uno before masculine nouns starting with z or s plus consonant, una before feminine nouns, and un' before feminine nouns starting with a vowel.

This also applies to compound numbers ending in -uno: ventun libri (21 books, masculine) versus ventuna pagine (21 pages, feminine). The number mille (1,000) is also noteworthy because its plural is irregular: duemila (2,000), tremila (3,000). Beyond these cases, numbers like due, tre, quattro, and all the tens stay exactly the same regardless of the noun's gender.

What are the numbers 1 to 20 in Italian?

The numbers 1 to 20 in Italian are: uno, due, tre, quattro, cinque, sei, sette, otto, nove, dieci, undici, dodici, tredici, quattordici, quindici, sedici, diciassette, diciotto, diciannove, venti.

These 20 numbers must be memorized individually since each has a unique form. They are the building blocks for all larger numbers in Italian. The best approach combines active recall with spaced repetition. Start by creating flashcards covering these key concepts, then review them daily using a spaced repetition system like FluentFlash's FSRS algorithm.

This method is backed by extensive research and consistently outperforms passive review methods like re-reading or highlighting. Most learners see substantial progress within a few weeks of consistent practice, especially when paired with active study techniques.

How do you say 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 in Italian?

The numbers 1-10 in Italian are: uno, due, tre, quattro, cinque, sei, sette, otto, nove, dieci. These pronunciation guides help: uno (OO-noh), due (DOO-eh), tre (TREH), quattro (KWAT-troh), cinque (CHEEN-kweh), sei (SAY), sette (SET-teh), otto (OT-toh), nove (NOH-veh), dieci (DYEH-chee).

The most effective approach combines active recall with spaced repetition. Start by creating flashcards covering these key numbers, then review them daily using a spaced repetition system like FluentFlash's FSRS algorithm. This method is backed by extensive research and consistently outperforms passive review methods like re-reading or highlighting.

Most learners see substantial progress within a few weeks of consistent practice, especially when paired with active study techniques like speaking each number aloud.

What's the hardest thing about learning Italian?

For many learners, the hardest aspects of Italian are verb conjugations and gendered nouns, not numbers. However, Italian numbers present a unique challenge because you must use them quickly in real-world situations like telling time or understanding prices.

The best approach to mastering Italian numbers is combining focused study sessions with spaced repetition for long-term retention. FluentFlash makes this easy with AI-generated flashcards and the FSRS algorithm, proven by research to be 30% more efficient than traditional methods.

Free study tools are available with all eight study modes and no credit card required to start. Consistent daily practice, even just 10-15 minutes, is more effective than long, infrequent study sessions. The FSRS algorithm in FluentFlash automatically schedules your reviews at the optimal moment for retention, so you spend less time studying and retain more.