How to say 30 in Japanese?

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Number Romaji Kana Kanji Audio
30 san juu さんじゅう 三十

Thirty is さんじゅう (san juu). Build 31 to 39 by adding the last digit, for example さんじゅういち or さんじゅうきゅう. You will see 三十 on signage, price boards, and forms. The reading is steady with no sound changes, so keep さん and じゅう even. For counts, 三十人 means 30 people and 三十個 means 30 pieces. Practice with the audio and keep the pace clean and controlled.

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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.