Korean Counters: How to Count Everything in Korean

Why Korean Counters Matter

If you have ever tried to order food in Korea, buy something at a market, or describe how many pets you have, you have encountered Korean counters (분류사 / bunryusa). Counters are mandatory grammatical units that classify what you are counting. You cannot simply say "three apples" by combining a number and a noun — you need the right counter word in between.

In English, we occasionally use counter-like words: "two sheets of paper," "three head of cattle," or "a pair of scissors." Korean takes this concept and applies it to everything. Every noun has an associated counter, and using the wrong one — or omitting it entirely — sounds unnatural to native speakers and can cause confusion on the TOPIK exam.

The good news is that Korean counters follow logical categories. Animals use 마리 (mari), flat things use 장 (jang), machines and vehicles use 대 (dae), and so on. Once you learn the categories and the rules for which number system to use, counting becomes systematic rather than arbitrary. And if you ever forget the specific counter, the general-purpose counter 개 (gae) will get you through most situations.

This guide covers everything you need to know about Korean counters, from the two number systems and the essential counter words to sentence patterns and TOPIK-level expectations. Whether you are just starting with TOPIK Level 1 vocabulary or preparing for advanced levels, mastering counters will make your Korean sound significantly more natural.

The Two Korean Number Systems

Before learning individual counters, you must understand that Korean has two completely separate number systems. Each counter requires one system or the other — mixing them up is one of the most common mistakes learners make.

Native Korean Numbers (고유어 수)

The native Korean system is used for most everyday counting situations. Here are the numbers 1 through 10:

The critical rule here is the number change for 1-4. When these numbers appear directly before a counter, they shorten: 하나 → 한, 둘 → 두, 셋 → 세, 넷 → 네. This is not optional — saying 하나 개 instead of 한 개 is grammatically incorrect. Numbers 5 through 10 (and beyond: 스물 for 20, 서른 for 30, etc.) do not change form.

Sino-Korean Numbers (한자어 수)

The Sino-Korean system derives from Chinese characters (Hanja) and is used for dates, money, addresses, phone numbers, and certain counters. The numbers 1 through 10 are: 일 (il), 이 (i), 삼 (sam), 사 (sa), 오 (o), 육 (yuk), 칠 (chil), 팔 (pal), 구 (gu), 십 (sip). Unlike native Korean numbers, Sino-Korean numbers do not change form before counters.

A helpful way to remember which system to use: if the counter relates to time measurement (minutes, seconds, months, years), money (원 / won), or building floors, use Sino-Korean. For most other everyday counters — objects, people, animals, books, cups — use native Korean numbers. If you are learning Korean numbers for the first time, study both systems in parallel, as you will need them from day one.

The General Counter: 개 (gae)

The single most important counter to learn first is 개 (gae). It is the general-purpose counter for objects and things, and it works as a safe fallback whenever you cannot remember the specific counter. 개 uses native Korean numbers.

Example sentences with 개 (gae):

• 사과 세 개 주세요. (sagwa se gae juseyo) — Please give me three apples.
• 달걀 여섯 개 샀어요. (dalgyal yeoseot gae sasseoyo) — I bought six eggs.
• 이거 한 개만 주세요. (igeo han gaeman juseyo) — Please give me just one of these.

While 개 works for most inanimate objects, do not use it for people (use 명 or 분) or animals (use 마리). Using 개 for people sounds dehumanizing, and for animals it sounds unnatural.

Counting People: 명 (myeong) and 분 (bun)

Korean has two counters for people, and choosing between them depends on the level of respect you want to convey. Both use native Korean numbers (with the 1-4 shortening rule).

명 (myeong) is the standard, everyday counter for people. Use it in casual and neutral contexts:

• 학생 다섯 명 (haksaeng daseot myeong) — five students
• 친구 세 명이 왔어요. (chingu se myeong-i wasseoyo) — Three friends came.
• 몇 명이에요? (myeot myeong-ieyo?) — How many people?

분 (bun) is the honorific counter for people. Use it when showing respect — in formal situations, when addressing customers, or when referring to elderly people or superiors:

• 손님 두 분 (sonnim du bun) — two guests/customers (polite)
• 몇 분이세요? (myeot bun-iseyo?) — How many people? (polite)
• 세 분이 기다리고 계세요. (se bun-i gidarigo kyeseyo) — Three people are waiting. (respectful)

Understanding when to use 명 versus 분 connects directly to Korean's broader honorific system. When in doubt, 분 is always the safer, more polite choice.

Counting Animals: 마리 (mari)

All animals — from insects to whales — use the counter 마리 (mari) with native Korean numbers. This is one of the simplest counters because there are no exceptions based on animal size or type.

• 고양이 한 마리 (goyangi han mari) — one cat
• 개 두 마리 (gae du mari) — two dogs
• 새 세 마리 (sae se mari) — three birds
• 물고기 열 마리 (mulgogi yeol mari) — ten fish
• 우리 집에 고양이 세 마리가 있어요. (uri jibe goyangi se mariga isseoyo) — There are three cats in our house.

Note that the word 개 (gae) meaning "dog" is different from the counter 개 (gae) meaning "thing/unit" — they are written the same in Hangul but have completely different meanings. Context always makes the distinction clear: 개 두 마리 (gae du mari) is "two dogs," while 두 개 (du gae) is "two things."

Everyday Object Counters

Beyond the general counter 개, Korean has specific counters for common object categories. All of the following use native Korean numbers.

권 (gwon) — Books and Bound Volumes

Use 권 (gwon) for books, notebooks, magazines, and any bound publication:

• 책 한 권 (chaek han gwon) — one book
• 소설 세 권 (soseol se gwon) — three novels
• 이 책 두 권 빌렸어요. (i chaek du gwon billyeosseoyo) — I borrowed two of these books.

잔 (jan) — Cups, Glasses, and Drinks

Use 잔 (jan) for beverages served in cups or glasses:

• 커피 한 잔 (keopi han jan) — one cup of coffee
• 맥주 두 잔 (maekju du jan) — two glasses of beer
• 물 한 잔 주세요. (mul han jan juseyo) — Please give me a glass of water.
• 하루에 커피 세 잔 마셔요. (harue keopi se jan masyeoyo) — I drink three cups of coffee a day.

병 (byeong) — Bottles

Use 병 (byeong) for beverages or liquids sold in bottles:

• 소주 한 병 (soju han byeong) — one bottle of soju
• 물 두 병 샀어요. (mul du byeong sasseoyo) — I bought two bottles of water.
• 맥주 세 병 주세요. (maekju se byeong juseyo) — Three bottles of beer, please.

장 (jang) — Flat, Thin Objects (Paper, Tickets, Photos)

Use 장 (jang) for flat things like paper, photos, tickets, and cards:

• 종이 한 장 (jongi han jang) — one sheet of paper
• 사진 세 장 (sajin se jang) — three photos
• 표 두 장 주세요. (pyo du jang juseyo) — Two tickets, please.
• 엽서 다섯 장 보냈어요. (yeopseo daseot jang bonaesseoyo) — I sent five postcards.

대 (dae) — Machines, Vehicles, and Electronics

Use 대 (dae) for cars, computers, phones, televisions, bicycles, and other machines or vehicles:

• 차 한 대 (cha han dae) — one car
• 컴퓨터 두 대 (keompyuteo du dae) — two computers
• 자전거 세 대 (jajeongeo se dae) — three bicycles
• 버스 한 대가 왔어요. (beoseu han daega wasseoyo) — One bus came.

벌 (beol) — Sets of Clothing

Use 벌 (beol) for outfits, suits, or sets of clothing (not individual items — a single shirt would use 개):

• 옷 한 벌 (ot han beol) — one set of clothing / one outfit
• 양복 두 벌 (yangbok du beol) — two suits
• 한복 한 벌 샀어요. (hanbok han beol sasseoyo) — I bought one hanbok (set).

Counting Times, Age, and Floors

번 (beon) — Times / Occurrences

Use 번 (beon) with native Korean numbers to count how many times something happens:

• 한 번 (han beon) — one time / once
• 두 번 (du beon) — two times / twice
• 세 번 (se beon) — three times
• 한 번 더 해 주세요. (han beon deo hae juseyo) — Please do it one more time.
• 일주일에 세 번 운동해요. (iljuire se beon undonghaeyo) — I exercise three times a week.

Note that 번 (beon) is also used for ordinal sequence numbers (first, second, third) in some contexts, like bus route numbers: 버스 273번 (beoseu ibaekchilsip-sam beon, bus number 273).

살 (sal) — Age

Use 살 (sal) with native Korean numbers to express age in casual and everyday speech:

• 한 살 (han sal) — one year old
• 스물다섯 살 (seumuldaseot sal) — twenty-five years old
• 몇 살이에요? (myeot sal-ieyo?) — How old are you?
• 저는 서른두 살이에요. (jeoneun seoreundu sal-ieyo) — I am thirty-two years old.

In formal or written contexts, the Sino-Korean counter 세 (se, meaning years of age) is sometimes used instead: 25세 (isibo se). This is common on official documents, news reports, and formal writing. For everyday conversation and on the TOPIK, 살 is the standard counter for age.

층 (cheung) — Floors / Stories of a Building

Use 층 (cheung) with Sino-Korean numbers to indicate building floors:

• 일 층 (il cheung) — first floor
• 삼 층 (sam cheung) — third floor
• 오 층 (o cheung) — fifth floor
• 사무실이 팔 층에 있어요. (samusiri pal cheung-e isseoyo) — The office is on the eighth floor.
• 지하 이 층 (jiha i cheung) — basement level 2

Time-Related Counters

Telling time in Korean requires counters from both number systems, which is one of the trickier aspects for beginners. The key rule: hours use native Korean numbers, but minutes use Sino-Korean numbers.

시 (si) — Hours (Clock Time)

Use 시 (si) with native Korean numbers to tell the hour:

• 한 시 (han si) — one o'clock
• 두 시 (du si) — two o'clock
• 세 시 (se si) — three o'clock
• 열두 시 (yeoldu si) — twelve o'clock

분 (bun) — Minutes

Use 분 (bun) with Sino-Korean numbers for minutes:

• 오 분 (o bun) — five minutes
• 십오 분 (sibo bun) — fifteen minutes
• 삼십 분 (samsip bun) — thirty minutes

Combining them: 세 시 이십오 분 (se si isibo bun) means 3:25. Notice how the hour (세) uses native Korean while the minutes (이십오) use Sino-Korean. This mixing of systems within a single time expression is unique to Korean and requires practice.

Other time-related counters that use Sino-Korean numbers:

• 초 (cho) — seconds: 삼십 초 (samsip cho) — thirty seconds
• 월 (wol) — months of the year: 삼 월 (sam wol) — March
• 일 (il) — days of the month: 십이 일 (sibi il) — the 12th day
• 년 (nyeon) — years: 이천이십육 년 (icheonisimnyuk nyeon) — the year 2026

However, when counting durations (how many hours, how many months), hours use native Korean: 세 시간 (se sigan, three hours), while months use Sino-Korean for calendar months but native Korean for duration: 세 달 (se dal, three months as duration) versus 삼 개월 (sam gaewol, three months formal).

Korean Counter Sentence Patterns

The basic word order for counters in Korean is: Noun + Number + Counter. This is different from English, where the number comes before the noun. Let's look at the patterns:

Pattern 1: Noun + Number + Counter (Most Common)

• 사과 세 개 (sagwa se gae) — three apples (lit. apple three units)
• 학생 다섯 명 (haksaeng daseot myeong) — five students
• 커피 두 잔 (keopi du jan) — two cups of coffee

Pattern 2: In a Full Sentence

When the counter phrase appears in a full sentence, the counter group typically stays together, and particles attach to the counter:

• 사과 세 개를 샀어요. (sagwa se gaereul sasseoyo) — I bought three apples.
• 고양이 두 마리가 있어요. (goyangi du mariga isseoyo) — There are two cats.
• 커피 한 잔 마실래요? (keopi han jan masillaeyo?) — Would you like to drink a cup of coffee?

Pattern 3: Asking "How Many?"

To ask "how many," use 몇 (myeot) before the counter:

• 몇 개 (myeot gae) — how many things?
• 몇 명 (myeot myeong) — how many people?
• 몇 마리 (myeot mari) — how many animals?
• 몇 시에요? (myeot si-eyo?) — What time is it?
• 사과 몇 개 살 거예요? (sagwa myeot gae sal geoyeyo?) — How many apples will you buy?

Understanding these patterns is essential for constructing natural sentences. If you are also studying Korean particles, note how particles like 를 (reul), 가 (ga), and 에 (e) attach after the counter, not after the noun, in these constructions.

Complete Korean Counter Reference Chart

Here is a comprehensive reference chart of the most important Korean counters, organized by category. Save this for quick reference during your study sessions.

Common Mistakes with Korean Counters

Even intermediate learners make these errors. Watch out for these pitfalls:

Mistake 1: Forgetting to Shorten Numbers 1-4

One of the most frequent errors is using the full form of native Korean numbers 1-4 before a counter. Remember: 하나 → 한, 둘 → 두, 셋 → 세, 넷 → 네.

• Incorrect: 사과 하나 개 (sagwa hana gae)
• Correct: 사과 한 개 (sagwa han gae) — one apple
• Incorrect: 학생 둘 명 (haksaeng dul myeong)
• Correct: 학생 두 명 (haksaeng du myeong) — two students

Mistake 2: Using the Wrong Number System

Mixing up native Korean and Sino-Korean numbers with counters is a common source of confusion:

• Incorrect: 삼 개 (sam gae) — using Sino-Korean with 개
• Correct: 세 개 (se gae) — three things
• Incorrect: 셋 분 (set bun) — using native Korean for minutes
• Correct: 삼 분 (sam bun) — three minutes

Mistake 3: Using 개 (gae) for People or Animals

While 개 is a versatile general counter, using it for people is considered rude and dehumanizing. Always use 명 (myeong) or 분 (bun) for people, and 마리 (mari) for animals. This is a social error, not just a grammar mistake.

Mistake 4: Confusing 시 (si) and 시간 (sigan)

시 (si) is used for clock time ("at three o'clock"), while 시간 (sigan) is used for duration ("for three hours"). Both use native Korean numbers, but they mean very different things:

• 세 시에 만나요. (se sie mannayo) — Let's meet at three o'clock.
• 세 시간 공부했어요. (se sigan gongbuhaesseoyo) — I studied for three hours.

Korean Counters by TOPIK Level

The TOPIK test expects progressively more counter knowledge as you advance. Here is what you should know at each level:

TOPIK Level 1-2 (Beginner)

At TOPIK Level 1, you should know the core 15-17 counters covered in this guide: 개, 명, 분, 마리, 권, 잔, 장, 대, 병, 벌, 번, 살, 층, 시, 분 (minutes), 월, 년. You must understand the number change rule (하나 → 한, etc.) and know which counters use native versus Sino-Korean numbers. The TOPIK I exam (Levels 1-2) will test basic counting in reading and listening sections — ordering food, telling time, describing quantities.

TOPIK Level 3-4 (Intermediate)

At intermediate levels, you should add: 그루 (geuru, trees), 송이 (songi, flowers/mushrooms), 채 (chae, buildings/houses), 켤레 (kyeolle, pairs of shoes/socks), 쌍 (ssang, pairs), 통 (tong, phone calls/letters), 포기 (pogi, heads of cabbage/lettuce), and 줄 (jul, rows/lines). You should also be comfortable using counters in complex sentences with multiple clauses.

TOPIK Level 5-6 (Advanced)

At advanced levels, counter mastery is assumed. The TOPIK II exam (Levels 3-6) may include less common counters in reading passages: 수 (su, poems/essays), 곡 (gok, songs/musical pieces), 편 (pyeon, movies/episodes), 가지 (gaji, kinds/types), and formal variants. By this stage, you should recognize and use counters instinctively, just as native speakers do.

How to Practice Korean Counters Effectively

Memorizing counter charts is a start, but real mastery comes from using counters in context. Here are proven strategies:

• Count things around you: Look around your room and count items using the correct counter. 컴퓨터 한 대 (keompyuteo han dae), 책 다섯 권 (chaek daseot gwon), 사진 세 장 (sajin se jang). Make this a daily habit.
• Practice ordering food: Rehearse restaurant scenarios: 김치찌개 한 개하고 밥 두 개 주세요 (kimchijjigae han gaehago bap du gae juseyo, one kimchi stew and two rice, please). Ordering and shopping use counters constantly.
• Use spaced repetition: Add counter flashcards to your SRS deck with example sentences, not just isolated counter words. Seeing counters in real sentences builds automatic recall.
• Watch Korean content actively: When watching Korean dramas or variety shows, listen for counter words. You will hear 한 번 (han beon, once), 몇 명 (myeot myeong, how many people), and 한 잔 (han jan, one cup) in nearly every episode.
• Quiz yourself with "how many" questions: Point to groups of objects and ask yourself 몇 + counter? Then answer with the correct number and counter. This trains both production and recognition.
• Learn counters with vocabulary: When you learn a new noun, immediately learn its counter. If you learn 우산 (usan, umbrella), note that it uses 개: 우산 한 개 (usan han gae). This builds associations naturally.

If you are just beginning your Korean journey, start with reading and writing Hangul first, then tackle numbers and counters as your next priority. Counters appear in virtually every real-world interaction, so the time you invest here pays off immediately.

Frequently Asked Questions About Korean Counters