400 in Italian
400 in Other Languages
About 400 in Italian
When speaking Italian, 400 is expressed as quattrocento. The ordinal form — used for rankings, dates, and sequences — is quattrocentesimo.
400 is an even number. 400 is a number worth knowing in Italian — it appears in real-world contexts like ages, distances, prices, and time expressions.
Knowing 400 in Italian is more useful than it might seem. Numbers are woven into nearly every type of conversation, and fluency with them makes everything from shopping to socializing dramatically easier.
Learning Numbers in Italian
What makes Italian numbers challenging
Italian numbers are mostly regular but the teen split (11-16 vs 17-19) and the vowel-dropping in compounds (ventuno not ventiuno, ventotto not ventiotto) create small traps. Phone numbers can be read either digit-by-digit or as groups of hundreds, and you never know which style someone will use. The varying grouping style means a single number might be read as "trecentoquarantasette" (347 as one word) or "tre-quattro-sette" (3-4-7).
Tips for learning Italian numbers
Master the teen split first: 11-16 end with -dici, but 17-19 start with dici-. Learn which vowels drop in compounds (before uno and otto). Practice recognizing numbers both digit-by-digit and as spoken groups, since Italians switch between styles freely. Italian numbers have a musical quality — the rhythm and melody of the language helps with memorization. Prices, train platform numbers, and addresses make great real-world practice.