块 (kuài) does double duty, and both jobs are everyday-essential. As a measure word it counts lumps and chunks — a piece of cake, a bar of soap, a rock. And in spoken Chinese it is the ordinary word for money — the unit you actually say out loud at every checkout counter. Learn both, because you will use 块 dozens of times a day the moment you start buying things.
The core meaning: a lump, chunk, or slab
The character 块 carries the earth radical 土, and its original sense was a clod of earth — a solid lump broken off from something larger. That image drives the classifier: 块 counts things that are chunky, lumpy, or slab-shaped, whether a hunk of cake, a bar of soap, or a flat piece of cloth cut from a bolt.
太好吃了，我可以再来一块蛋糕吗？
tài hǎochī le, wǒ kěyǐ zài lái yí kuài dàngāo ma?
It's so delicious — can I have another piece of cake? (informal)
洗手间里的肥皂只剩一块了。
xǐshǒujiān lǐ de féizào zhǐ shèng yí kuài le
There's only one bar of soap left in the bathroom. (informal)
他捡起一块石头，扔进了河里。
tā jiǎnqǐ yí kuài shítou, rēng jìn le hé lǐ
He picked up a rock and threw it into the river. (informal)
The number's tone follows the rule: before 块 (a fourth-tone syllable) 一 becomes yí (second tone) — 一块 is yí kuài, per the regular 一 tone-change rule.
The everyday 块 set
| Chinese | Pinyin | Meaning |
|---|---|---|
| 一块蛋糕 | yí kuài dàngāo | a piece of cake |
| 一块肥皂 | yí kuài féizào | a bar of soap |
| 一块石头 | yí kuài shítou | a rock |
| 一块手表 | yí kuài shǒubiǎo | a (wrist)watch |
| 一块布 | yí kuài bù | a piece of cloth |
| 一块巧克力 | yí kuài qiǎokèlì | a bar/square of chocolate |
| 一块糖 | yí kuài táng | a piece of candy |
| 一块玻璃 | yí kuài bōli | a pane of glass |
这块手表是我爸留给我的。
zhè kuài shǒubiǎo shì wǒ bà liú gěi wǒ de
This watch was left to me by my dad. (informal)
桌上有一块布，你拿去擦擦手吧。
zhuō shàng yǒu yí kuài bù, nǐ ná qù cāca shǒu ba
There's a cloth on the table — take it and wipe your hands. (informal)
块 the money word — the fact that matters most
Chinese currency has a written name and a spoken name for its main unit, and they are different characters:
- The written / formal unit is 元 (yuán) — what you see on banknotes, receipts, and price tags.
- The spoken / everyday unit is 块 (kuài) — what everyone actually says.
So a price you hear is 五块 (wǔ kuài), even though the tag reads 5.00 元. Treating 块 as a measure word for money makes this click: it counts out units of currency the way it counts lumps of anything else. The smaller units work the same way — spoken 毛 (máo) = written 角 (jiǎo) for a tenth of a yuan, while 分 (fēn, a hundredth) is the same in both registers.
| Amount | Spoken (colloquial) | Written (formal) |
|---|---|---|
| ¥1.00 | 一块 / 一块钱 | 一元 |
| ¥0.50 | 五毛 | 五角 |
| ¥5.50 | 五块五 / 五块五毛 | 五元五角 |
| ¥12.80 | 十二块八 | 十二元八角 |
这个多少钱？——十块。
zhège duōshao qián? — shí kuài
How much is this one? — Ten kuai. (informal)
给你五块，不用找了。
gěi nǐ wǔ kuài, bú yòng zhǎo le
Here's five kuai — keep the change. (informal)
一共十五块八，微信还是现金？
yígòng shíwǔ kuài bā, wēixìn háishì xiànjīn?
That's fifteen-eighty altogether — WeChat or cash? (informal)
More on the split lives on the spoken vs written money and prices and shopping pages.
块 vs 个, and the crucial 块 vs 片 contrast
Against the default 个 (ge), 块 is the native choice for any chunk or lump: say 一块肥皂, not 一个肥皂. But the sharper distinction is 块 vs 片 (piàn). Both translate as "a piece," yet they picture different shapes:
- 块 = a thick chunk or lump — three-dimensional, has heft: 一块蛋糕 (a wedge of cake), 一块肉 (a chunk of meat).
- 片 = a thin flat slice — a sheet, leaf, or wafer: 一片面包 (a slice of bread), 一片药 (a tablet), 一片叶子 (a leaf).
我要一块牛排，不要切成片。
wǒ yào yí kuài niúpái, bú yào qiē chéng piàn
I want a whole steak, not sliced into thin pieces. (informal) — 块 is the chunk, 片 the thin slice.
Common Mistakes
1. Saying 元 out loud in casual speech. 元 is not wrong, but in everyday talk it sounds like you are reading off a form. Real conversation uses 块.
❌ 老板，这个三元，对吗？（said out loud at a market）
Stiff — 元 is the written unit; spoken prices use 块, so this sounds bookish at a market stall.
✅ 老板，这个三块，对吗？
lǎobǎn, zhège sān kuài, duì ma?
Boss, this one's three kuai, right? — 块 is the natural spoken unit.
2. Using 个 for a chunk. Soap, cake, and rock are lumps, so they take 块.
❌ 请给我一个肥皂。
Non-standard — a bar of soap is a lump and takes 块, not 个.
✅ 请给我一块肥皂。
qǐng gěi wǒ yí kuài féizào
Please give me a bar of soap.
3. Confusing 块 with 片. A thin flat slice takes 片; only a thick chunk takes 块. A pill is thin, so it is 片.
❌ 饭后吃一块药。
Incorrect — a tablet is thin and flat, so it takes 片, not 块.
✅ 饭后吃一片药。
fàn hòu chī yí piàn yào
Take one tablet after meals.
4. Using 二 instead of 两 for two yuan. For the quantity "two" before 块, use 两, not 二 — just as with every measure word.
❌ 这个二块钱。
Incorrect — before a measure word, 'two' is 两, not 二.
✅ 这个两块钱。
zhège liǎng kuài qián
This one is two kuai. — 两块, never 二块.
Key Takeaways
- 块 (kuài) counts lumps, chunks, and slabs: 蛋糕, 肥皂, 石头, 布, 巧克力, 玻璃, 手表.
- It is also the spoken word for money — prices you hear use 块 (spoken) where the tag reads 元 (written); 毛 spoken = 角 written.
- In a spoken price the trailing 钱 and final unit often drop: 五块五毛钱 → 五块五.
- 块 = thick chunk; 片 = thin slice — a wedge of cake is 块, a slice of bread is 片.
- Before 块 the number 一 is yí, and "two" is 两, not 二.
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- Money: 块/毛/分 vs 元/角/分HSK 1 — Chinese money has two registers: you SPEAK 块/毛/分 (三块五) but WRITE 元/角/分 (三元五角). The trailing unit is dropped in speech (三块五 = ¥3.50), and 'two yuan' is 两块, never 二块.
- The Default 个HSK 1 — 个 (gè, usually neutral-toned ge) is the general-purpose measure word — the safe fallback when you don't know the specific classifier — and it correctly covers people, many everyday objects, and abstract nouns; the goal is to graduate to specific classifiers while keeping 个 for the nouns that genuinely take it.
- 杯 / 瓶 / 碗 / 盘 (Containers)HSK 1 — Container words measure their contents by the vessel: 一杯水 (a glass of water), 一瓶啤酒 (a bottle of beer), 一碗饭 (a bowl of rice), 一盘菜 (a plate of food) — they map neatly onto English 'a cup/bottle/bowl/plate of'.
- Saying Prices (多少钱, 三块五)HSK 1 — To ask a price, use 多少钱 (duōshao qián) — never 几. Prices are stated in spoken money units, often per measure: 三块五一斤, 三块钱一个. Totals use 一共, and discounts use 打折 (打八折 = 20% off).