Which 90 do I use?
| Use | Korean | Sounds like | English |
|---|---|---|---|
| AgeNative | 아흔 살 | aheun sal | 90 years old |
| Counting thingsNative | 아흔 개 | aheun gae | 90 items |
| PeopleNative | 아흔 명 | aheun myeong | 90 people |
| MoneySino | 구십 원 | gusip won | ₩90 |
| Price in thousandsSino | 구만 원 | guman won | ₩90,000 |
| Floor, room, busSino | 구십 층 | gusip cheung | floor 90 |
| OrderNative | 아흔 번째 | aheun beonjjae | number 90 in order |
How 구십 is built
구십 is 구 (9) × 십 (ten). In native Korean, the tens have their own words (열, 스물, 서른, 마흔, 쉰, 예순, 일흔, 여든, 아흔), so 아흔 has to be learned.
구ㄱ+ㅜ십ㅅ+ㅣ+ㅂ
Need a bigger number, a price or a phone number? The Korean number converter handles any number, both systems, dates and times.
Frequently asked questions
How do you say 90 in Korean?
There are two ways: 구십 (gusip) from the Sino-Korean system and 아흔 (aheun) from the native Korean system.
How do you say "I am 90 years old" in Korean?
아흔 살이에요 (aheun sarieyo). Age uses native Korean numbers.
How do you say ₩90,000 in Korean?
구만 원 (guman won). Money always uses Sino-Korean numbers, and Korean counts big amounts in units of 10,000 (만).
Romanization: Revised Romanization of Korean, with sound changes. Audio: a recorded native-sounding Korean voice.
Last checked: 2026-10-20