Which 40 do I use?
| Use | Korean | Sounds like | English |
|---|---|---|---|
| AgeNative | 마흔 살 | maheun sal | 40 years old |
| Counting thingsNative | 마흔 개 | maheun gae | 40 items |
| PeopleNative | 마흔 명 | maheun myeong | 40 people |
| MinutesSino | 사십 분 | sasip bun | 40 minutes |
| MoneySino | 사십 원 | sasip won | ₩40 |
| Price in thousandsSino | 사만 원 | saman won | ₩40,000 |
| Floor, room, busSino | 사십 층 | sasip cheung | floor 40 |
| OrderNative | 마흔 번째 | maheun beonjjae | number 40 in order |
How 사십 is built
사십 is 사 (4) × 십 (ten). In native Korean, the tens have their own words (열, 스물, 서른, 마흔, 쉰, 예순, 일흔, 여든, 아흔), so 마흔 has to be learned.
사ㅅ+ㅏ십ㅅ+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 40 in Korean?
There are two ways: 사십 (sasip) from the Sino-Korean system and 마흔 (maheun) from the native Korean system.
How do you say "I am 40 years old" in Korean?
마흔 살이에요 (maheun sarieyo). Age uses native Korean numbers.
How do you say ₩40,000 in Korean?
사만 원 (saman 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