How to say 40 in Japanese?

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Number Romaji Kana Kanji Audio
40 yon juu よんじゅう 四十

Forty is よんじゅう (yon juu). Use よん, not し, for clarity here and in most tens. Combine it to make numbers like 42 よんじゅうに and 49 よんじゅうきゅう. 四十人 means 40 people and 四十円 means 40 yen. Keep よん short and じゅう steady so the word does not smear. Follow the audio to keep the rhythm clean.

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Jessica Chen is a language writer and cultural enthusiast who specializes in making Japanese easy to understand. She shares simple lessons, real-life examples, and practical tips to help learners build confidence with Japanese numbers and daily expressions.