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Korean Numbers 101: Learn & Master Counting

Choi Eun-jungChoi Eun-jung
February 23, 2025
7 min read
Korean Numbers 101: Learn & Master Counting
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Hello there, my wonderful reading buddies! I’m beyond excited to share my personal experiences with Korean numbers and hopefully spark your curiosity about this fascinating language. It's totally normal to feel a bit lost at first, especially since Korean relies on two main number systems—Sino-Korean and native Korean. But hey, don’t sweat it: with a little practice, you’ll see how smoothly they fit into everyday life.

Getting Comfortable with Sino-Korean Numbers

I remember the first time I tried to read phone numbers in Korean. I was like, “Wait, which system do I use again?” Turns out, phone numbers mostly rely on Sino-Korean numbers, which is good news because this system is pretty straightforward. Check out some common Sino-Korean numbers below:

  • 일 (il) – 1

  • 이 (i) – 2

  • 삼 (sam) – 3

  • 사 (sa) – 4

  • 오 (o) – 5

  • 육 (yuk) – 6

  • 칠 (chil) – 7

  • 팔 (pal) – 8

  • 구 (gu) – 9

  • 십 (sip) – 10

I love how simple the pattern is once you get the hang of it. For example, 11 is 십일 (sip il), 25 is 이십오 (i sip o), and so on. Basically, you mix the base number (이 for 2, 삼 for 3, etc.) with the word 십 (sip) and then tack on the final digit. Easy-peasy!

A Quick Peek at Native Korean Numbers

When telling someone your age or asking for the time, you switch to native Korean numbers. These can be a bit more quirky, but they’re plenty of fun. For instance: 1) 하나 (hana) – 1 2) 둘 (dul) – 2 3) 셋 (set) – 3

…and so on. If you’re confused, don’t stress—it’s totally normal to mix them up at first.

Pro Tip: Try grouping numbers in sets. Seriously, grouping them in, say, blocks of ten can help the memorizing process!

  • Underline your progress by focusing on small chunks.

  • Practice reading random signs or license plates while on the bus.

  • Highlight the numbers you see most often.

  • Experiment with counting your groceries in Korean.

  • Really pay attention to the sounds, even if you make a few slip-ups.

Fascinating Tidbits to Keep You Going

Did you know that the number 1004 (천사, cheonsa) sounds like “angel” in Korean? People often use 1004 as a cute way to say they're sending warm wishes. On the flip side, the number 4 tends to be unlucky (or at least spooky) because it sounds like “death” in Chinese. And if you’re looking for a lucky digit, consider 7—it’s seen as a sign of good fortune.

Here are two ways I like to stay motivated: 1. Connect numbers to daily life: I try to read the clock out loud in Korean whenever possible. 2. Make it fun: I sometimes watch K-pop videos and look for hidden number references (you’d be surprised how often they pop up).

You might stumble a few times, but that’s totally fine—mistakes help you learn faster! I’ve definitely messed up phone numbers in Korean more than once, and it’s no biggie. Each slip merely underlines an opportunity to remember the correct form next time.

Wrapping It All Up

Learning Korean numbers is a journey full of tiny victories. Whenever you successfully say your phone number or age in Korean, pat yourself on the back and keep on going. It’s not about being perfect; it’s about letting your curiosity lead the way. Keep practicing, and pretty soon, you’ll be counting, chatting, and having a blast with Korean numbers.

Good luck, godspeed, and 화이팅 (hwa-i-ting)! That’s “best of luck” in Korean, and I’m sending you all the angel-like support I can!

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Table with 30 rows and 4 columns
Sino-Korean 1일oneil
Sino-Korean 2이twoi
Sino-Korean 3삼threesam
Sino-Korean 4사foursa
Sino-Korean 5오fiveo
Sino-Korean 6육sixyuk
Sino-Korean 7칠sevenchil
Sino-Korean 8팔eightpal
Sino-Korean 9구ninegu
Sino-Korean 10십tensip
Sino-Korean 11십일elevensip-il
Sino-Korean 12십이twelvesip-i
Sino-Korean 13십삼thirteensip-sam
Sino-Korean 14십사fourteensip-sa
Sino-Korean 15십오fifteensip-o
Native Korean 1하나oneha-na
Native Korean 2둘twodul
Native Korean 3셋threeset
Native Korean 4넷fournet
Native Korean 5다섯fiveda-seot
Native Korean 6여섯sixyeo-seot
Native Korean 7일곱sevenil-gop
Native Korean 8여덟eightyeo-deol
Native Korean 9아홉ninea-hop
Native Korean 10열tenyeol
Native Korean 11열하나elevenyeol-ha-na
Native Korean 12열둘twelveyeol-dul
Native Korean 13열셋thirteenyeol-set
Native Korean 14열넷fourteenyeol-net
Native Korean 15열다섯fifteenyeol-da-seot
FeatureSino-Korean 1
Korean Character일
English Translationone
Pronunciationil
FeatureSino-Korean 2
Korean Character이
English Translationtwo
Pronunciationi
FeatureSino-Korean 3
Korean Character삼
English Translationthree
Pronunciationsam
FeatureSino-Korean 4
Korean Character사
English Translationfour
Pronunciationsa
FeatureSino-Korean 5
Korean Character오
English Translationfive
Pronunciationo
FeatureSino-Korean 6
Korean Character육
English Translationsix
Pronunciationyuk
FeatureSino-Korean 7
Korean Character칠
English Translationseven
Pronunciationchil
FeatureSino-Korean 8
Korean Character팔
English Translationeight
Pronunciationpal
FeatureSino-Korean 9
Korean Character구
English Translationnine
Pronunciationgu
FeatureSino-Korean 10
Korean Character십
English Translationten
Pronunciationsip
FeatureSino-Korean 11
Korean Character십일
English Translationeleven
Pronunciationsip-il
FeatureSino-Korean 12
Korean Character십이
English Translationtwelve
Pronunciationsip-i
하나
하나0:00 / 0:00

English: one

둘
둘0:00 / 0:00

English: two

셋
셋0:00 / 0:00

English: three

넷
넷0:00 / 0:00

English: four

다섯
다섯0:00 / 0:00

English: five

여섯
여섯0:00 / 0:00

English: six

일곱
일곱0:00 / 0:00

English: seven

여덟
여덟0:00 / 0:00

English: eight

아홉
아홉0:00 / 0:00

English: nine

열
열0:00 / 0:00

English: ten

열하나
열하나0:00 / 0:00

English: eleven

열둘
열둘0:00 / 0:00

English: twelve

열셋
열셋0:00 / 0:00

English: thirteen

열넷
열넷0:00 / 0:00

English: fourteen

열다섯
열다섯0:00 / 0:00

English: fifteen

열여섯
열여섯0:00 / 0:00

English: sixteen

열일곱
열일곱0:00 / 0:00

English: seventeen

열여덟
열여덟0:00 / 0:00

English: eighteen

열아홉
열아홉0:00 / 0:00

English: nineteen

스물
스물0:00 / 0:00

English: twenty

스물하나
스물하나0:00 / 0:00

English: twenty-one

스물둘
스물둘0:00 / 0:00

English: twenty-two

스물셋
스물셋0:00 / 0:00

English: twenty-three

스물넷
스물넷0:00 / 0:00

English: twenty-four

스물다섯
스물다섯0:00 / 0:00

English: twenty-five

스물여섯
스물여섯0:00 / 0:00

English: twenty-six

스물일곱
스물일곱0:00 / 0:00

English: twenty-seven

스물여덟
스물여덟0:00 / 0:00

English: twenty-eight

스물아홉
스물아홉0:00 / 0:00

English: twenty-nine

서른
서른0:00 / 0:00

English: thirty

서른하나
서른하나0:00 / 0:00

English: thirty-one

서른둘
서른둘0:00 / 0:00

English: thirty-two

서른셋
서른셋0:00 / 0:00

English: thirty-three

서른넷
서른넷0:00 / 0:00

English: thirty-four

서른다섯
서른다섯0:00 / 0:00

English: thirty-five

서른여섯
서른여섯0:00 / 0:00

English: thirty-six

서른일곱
서른일곱0:00 / 0:00

English: thirty-seven

서른여덟
서른여덟0:00 / 0:00

English: thirty-eight

서른아홉
서른아홉0:00 / 0:00

English: thirty-nine

마흔
마흔0:00 / 0:00

English: forty

마흔하나
마흔하나0:00 / 0:00

English: forty-one

마흔둘
마흔둘0:00 / 0:00

English: forty-two

마흔셋
마흔셋0:00 / 0:00

English: forty-three

마흔넷
마흔넷0:00 / 0:00

English: forty-four

마흔다섯
마흔다섯0:00 / 0:00

English: forty-five

마흔여섯
마흔여섯0:00 / 0:00

English: forty-six

마흔일곱
마흔일곱0:00 / 0:00

English: forty-seven

마흔여덟
마흔여덟0:00 / 0:00

English: forty-eight

마흔아홉
마흔아홉0:00 / 0:00

English: forty-nine

쉰
쉰0:00 / 0:00

English: fifty