亿 (yì) — 100 million in Mandarin
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#656 most common word · HSK 4 · CEFR B1
Pinyin colour key: tone 1 (high flat), tone 2 (rising), tone 3 (dipping), tone 4 (falling), neutral.
Tone breakdown
亿 is pronounced yì. Tap any syllable’s row to hear the whole word.
In a sentence
Zhōngguó yǒu shí yì duō rén.
China has over one billion people.
Hear it, then say it right
Reading pinyin only gets you halfway. ToneDeck plays native audio for 亿 and thousands more words, then scores your pronunciation so your tones land. HSK 1 is free, no install.
Start freeFrequently asked questions
What does 亿 mean?+
亿 (yì) means "100 million" in Mandarin Chinese.
How do you pronounce 亿?+
亿 is pronounced yì. It uses the tone 4 (falling). Tap the character on this page to hear native audio.
How common is 亿 in Mandarin?+
亿 is the #656 most frequent word in spoken Mandarin, so it is one of the first words worth learning.
Where 亿 fits
Every HSK 4 word with tone-coloured pinyin and audio.
Words at a similar frequency
Master the tones first
What each tone sounds like and why it matters.
Why some tones change in connected speech.
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Browse more on the Mandarin vocabulary hub, or read how to learn Mandarin tones.