What does 亿 mean in Chinese?

亿 (yì) means "100 million" in Chinese. The new HSK exam tests it at HSK 5.

How do you pronounce 亿?

亿 is pronounced "yì" in Mandarin Chinese. The tone number is 4.

What HSK level is 亿?

亿 is an HSK 5 word on the new HSK exam syllabus. It is HSK 4 on the old exam, HSK 5 on the new one.

What words contain the character 亿?

Common words with 亿 include 亿万 (millions and millions), 十亿 (one billion), 千亿 (myriads), 杨亿 (Yang Yi (974-1020), Northern Song dynasty writer and poet), 以亿计 (to number in the thousands).

How do you write 亿?

You can practice writing 亿 using our stroke order tool.

亿 (yì), 100 million

亿

yì

100 million

HSK 5 Was HSK 4

Traditional: 億

Character Breakdown

Radical: 人 (no. 9)Traditional: 億

View stroke order →

Definitions

100 million

Example Sentences

我们需要亿。

Wǒmen xūyào yì

We need Billion

Words Containing 亿

Word	Pinyin	Meaning	HSK
亿万	yì wàn	millions and millions	HSK 7-9
十亿	shí yì	one billion
千亿	qiān yì	myriads
杨亿	Yáng Yì	Yang Yi (974-1020), Northern Song dynasty writer and poet
以亿计	yǐ yì jì

→

下寒武统(xià hán wǔ tǒng)· lower Cambrian series (geological strata from approx 530 million years ago)

→

兆(zhào)· omen

→

兆字节(zhào zì jié)· megabyte (2^20 or approximately a million bytes)

→

HSK levels

New HSK exam: HSK 5
HSK 2.0: HSK 4
HSK Lord study list: HSK 2 list

亿: HSK 4 on the old exam, HSK 5 on the new one. See where your old level lands

New exam levels follow the CLEC syllabus released 15 November 2025. The first official sitting is announced for 13 December 2026. HSK 7-9 is one advanced band.

On the new HSK 5 exam

Studying for HSK 5? Keep 亿 with the rest of your level.

HSK Lord schedules your reviews so each character comes back right before you would forget it. Free to start, and it picks up where you are.

Start studying free The words new HSK 5 adds

Frequently Asked Questions

Reviewed by RJ Murray, Founder, HSK Lord.

亿