Easy Korean Words

Korean Numbers

Korean has two sets of numbers. Native and Sino. Sino numbers are taken from Chinese.

NATIVE:
1 — hana (하나)
2 — dul (둘)
3 — set (셋)
4 — net (넷)
5 — da-seot (다섯)
6 — yeo-seot (여섯)
7 — il-geob (일곱)
8 — yeo-deol (여덟)
9 — ah-hob (아홉)
10 — yeol (열)
20 — seu-mul (스물)
30 — seo-reun (서른)

SINO:
1 — il (일)
2 — ii (이)
3 — sam (삼)
4 — sa (사)
5 — oh (오)
6 — yuk (육)
7 — chil (칠)
8 — pal (팔)
9 — gu (구)
10 — ship (십)
100 — baek (백)
1000 — cheon (천)
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With the numbers 1-10, you can easily count upward by simply putting them together.

NATIVE:
(10) 열 + (1) 하나 = 11
(20) 스물 + (9) 아홉 = 29
*Native Korean numbers are rarely used above 60*

SINO:
(10) 십 + (1) 일 = 11
(50) 오십 + (6) 육 = 56
(100) 백 + (1) 일 = 101
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When do we use each set of numbers? It depends on what unit of time or things you are talking about. 

NATIVE:
-Age (with 살)
-Hour of a day
-Number of people
-Number of things

SINO:
-Age (with 세)
-Date
-Temperature
-Minutes & Seconds
-Money
-Phone numbers
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The Korean language also uses different counters for different things

1. Myeong (명) — people (informal)
2. Bun (분) — people (formal)
3. Byeong (병) — bottles
4. Jang (장) — paper
5. Weol (월) / Nyeon (년) — months / years
6. Song-ii (송이) — bunches of things like flowers, bananas and grapes
7. Gae (개) — for things in general
8. Dae (대) — for vehicles & machineries
9. Cho (초) / Bun (분) — seconds / minutes
10. Sal (살) / Seh (세) — years

*Usually if people can't remember a counter for an object, they will just use "개" *

*source: domandhyo.com