二 (èr)vs两 (liǎng)

Both mean "two", but one is for counting numbers and the other is for quantities.

二 (èr)

Used for counting, math, ordinal numbers, and digits.

两 (liǎng)

Used for quantities of items, almost always followed by a measure word.

Feature二 (èr)两 (liǎng)
UsageMath, Counting, RankingQuantities of nouns
With Measure Words❌ Rare✅ Always (e.g. 两个人)

translateCompare Examples

他排第二。

Tā pái dì èr.

He ranks second.

Ordinal number.

我有两个苹果。

Wǒ yǒu liǎng gè píngguǒ.

I have two apples.

Quantity with a measure word.