number

이

two

Number forms

2

Sino-Korean

이

two

Used for dates, money, phone numbers, minutes, and larger numbers.

Native Korean

둘

two

Counter form: 두

Used for age, counting people or things, and hours.

Example

책이 이 권 있어요.

There are two books.

Note

이 is the Sino-Korean number two; it sounds the same as the subject particle 이.