Chinese Numbers 1 to 100: A Listening Guide

Eleven words build every Chinese number from 1 to 99, and one more covers 100. There are no irregular forms to memorize, no exceptions, no reversed digits. That makes Chinese counting one of the cleanest number systems in any major language. It also means the real work is not vocabulary. It is teaching your ear to resolve those eleven syllables, and their tones, at the speed a native speaker says them.

This guide gives you the full system, the one listening trap that catches almost everyone, and the way to make it automatic.

Countfu is listening practice for Chinese numbers: hear a number in Mandarin, type the digits. Coming soon.

The eleven words behind Chinese numbers 1 to 100

Here is the entire vocabulary for 0 through 10. Learn these sounds with their tones, because the tones do real work later.

For 100 itself you add one unit word: 一百 (yìbǎi). Everything between 1 and 99 is built from the table above and nothing else.

11 to 19: ten plus a digit

The teens are 十 followed by a digit. Say ten, then say the digit, done.

• 十一 (shíyī) = 10 + 1 = 11
• 十二 (shí'èr) = 10 + 2 = 12
• 十五 (shíwǔ) = 10 + 5 = 15
• 十九 (shíjiǔ) = 10 + 9 = 19

Compare that with English, where eleven and twelve are opaque words that have nothing to do with one or two, and thirteen through nineteen put the digit before the ten. Chinese keeps a single rule across the whole range.

20 to 99: a digit before the ten

Multiples of ten are a digit followed by 十: literally two tens, three tens, nine tens.

• 二十 (èrshí) = 2 × 10 = 20
• 三十 (sānshí) = 3 × 10 = 30
• 九十 (jiǔshí) = 9 × 10 = 90

Anything in between just appends the ones digit:

• 二十一 (èrshíyī) = 20 + 1 = 21
• 三十五 (sānshíwǔ) = 30 + 5 = 35
• 九十九 (jiǔshíjiǔ) = 90 + 9 = 99

The digits arrive in the order you write them, big to small, every single time. German speakers will appreciate what is missing here: there is no swap, no vierundvierzig logic where the four comes before the forty. Chinese says 44 as 四十四 (sìshísì), four tens then four, exactly as written.

One quirk worth knowing early: the digit 2 sometimes appears as 两 (liǎng) instead of 二, mostly before measure words and big units, and the Liang vs Er guide in the related reading below covers exactly when.

The trap: 14 vs 40, and why tone saves you

The compositional system has one famous ambush. The words for 4 and 10 use the same vowel, and the only consonant difference, s versus sh, is exactly the distinction many learners hear worst. Now look at what the system builds with them:

• 十四 (shísì) = 10 + 4 = 14
• 四十 (sìshí) = 4 × 10 = 40

Same two syllables, opposite order, and a 26-unit gap between the answers. Chinese speakers find the pair tricky enough that it powers a classic tongue twister: 四是四，十是十，十四是十四，四十是四十 (sì shì sì, shí shì shí, shísì shì shísì, sìshí shì sìshí).

The reliable cue is not the consonant. It is the tone. 十 (shí) carries the 2nd tone, a clear rise. 四 (sì) carries the 4th tone, a sharp fall. So 14 is rise then fall, and 40 is fall then rise. Tones survive fast speech, background noise, and even many regional accents far better than the s versus sh contrast does. Train your ear to track the pitch contour and the order stops being a coin flip.

The same logic protects you at 44, 45, 54, and friends: in 四十四 (sìshísì) the rising syllable sits in the middle, which can only be the tens slot.

A note on the sounds of 1

一 changes tone depending on what follows. It is yī in isolation and in digit strings, yí before a 4th-tone syllable, as in 一万 (yíwàn, 10,000), and yì before 1st, 2nd, and 3rd tones, as in 一百 (yìbǎi, 100) and 一千 (yìqiān, 1,000). You do not need to produce this perfectly to count, but your ear must accept all three pitches as the same digit 1.

Why reading Chinese numbers 1 to 100 is not the same as hearing them

Most learners can read every number on this page within a week. Then a ticket agent says a queue number, or a teacher says a page number, and it evaporates. That is not a memory failure. Reading lets you decode at your own pace, with the characters sitting still in front of you. Listening gives you each syllable exactly once, for a fraction of a second, with tone as the load-bearing signal. Those are different skills, and the second one does not come free with the first.

The fix is the same as for any reflex: volume plus feedback. Hear a number at native speed, write the digits, check the answer, and review the misses. A few minutes of focused listening reps a day will do more than another month of flashcards, because the bottleneck is recognition speed, not knowledge.

Try these by reading the pinyin out loud and writing the digits before peeking:

• 七十三 (qīshísān) = 73
• 十六 (shíliù) = 16
• 四十七 (sìshíqī) = 47
• 九十四 (jiǔshísì) = 94

If the last one made you pause, you have found your first training target.

Related reading

• Sì vs Shí: How to Stop Mishearing 4 and 10 in Chinese: the 14 vs 40 trap in full depth, with tone training tactics.
• Liang vs Er: When Two Is 两 and When It Is 二 in Chinese: the two words for 2 and exactly where each one shows up.
• Chinese Big Numbers: How 万 and 亿 Regroup Everything You Know: what happens above 10,000, where Chinese regroups by ten thousands.

Frequently asked questions