Japanese Counters Explained: How to Count People, Things, and More

Five people is not just go. In Japanese you say gonin [五人] — the number and a special suffix that marks people. Count cats and you switch again: gohiki [五匹]. Miss the counter and you sound incomplete; pick the wrong one and you still get understood, but you lose the natural shape of the language.

Those suffixes are counters (助数詞 josuushi). English has a few measure words — “two sheets of paper,” “three cups of coffee” — but Japanese leans on them almost every time you count. This guide covers how the system works, the counters you actually need first, a wider reference list, and the pronunciation changes that trip beginners.

Contents 7

How Japanese counting works

This page is not a full course on numbers in Japanese. Here “counting” means pairing a number with a counter that fits the thing you are talking about: people, books, floors, nights in a hotel, small animals, flat objects, and so on.

Example: five people is gonin [五人] — five plus the person counter 人. The same kanji also builds nationality words such as burajirujin [ブラジル人], “Brazilian,” but that is a different construction. For counting objects and living beings, think: number + counter.

Most counters use the Sino-Japanese (ON) reading of the number. Three extra traps make the system feel messy at first:

• The counter’s reading can change with the number. With 匹, you hear hiki, piki, or biki.
• The number’s reading can change with the counter. One and two people become hitori and futari, not *ichinin* and *ninin*.
• You have to learn which counter fits which category — shape, size, living vs. non-living, and a few fixed conventions.

It feels heavy at first, then becomes muscle memory. If you freeze mid-sentence, Japanese speakers still understand a generic 〜つ for many everyday things (especially one through ten). Use that as a temporary bridge while you learn the precise counters.

The eight counters to learn first

Start here. In daily life these cover a huge share of what you need to order, shop, travel, and talk about people and pets. Pattern: say the number, then the counter — for example, five people present: gonin imasu.

• 人 (nin) — people. Irregular for 1–2: hitori, futari; then sannin, yonin, and so on.
• 匹 (hiki / piki / biki) — small and medium animals: cats, dogs, fish, insects, and similar.
• つ (tsu) — native Japanese general counter for many everyday things (1–10 as hitotsu, futatsu…). Useful fallback when you forget a specialized counter.
• 個 (ko) — small or compact inanimate objects, often rounded or “unit-like” (apples, stones, boxes of small items). Works with larger numbers where つ stops feeling natural.
• 台 (dai) — machines and large equipment: cars, bikes, computers, appliances.
• 本 (hon / pon / bon) — long, thin, or cylindrical things: pencils, bottles, trees, roads; also extended uses such as phone calls or movie showings. Note: books use 冊, not 本.
• 冊 (satsu) — bound print: books, magazines, notebooks, pamphlets.
• 枚 (mai) — thin, flat things: sheets of paper, photos, plates, many clothing items.

If you are a beginner, master these eight (plus age with 歳 and basic time words) before trying to memorize the long rare list below. The rare list is a reference, not a homework dump.

More common counters for people and things

• 部 (bu) — copies of a magazine or newspaper; packets of papers.
• 杯 (hai / pai / bai) — cups and glasses of drink; also, in specialized use, some cephalopods and boats.
• 階 (kai / gai) — floors / stories of a building.
• 名 (mei) — people, polite register (名 means “name”).
• 面 (men) — mirrors, game boards, computer-game stages, walls, tennis courts.
• 話 (wa) — stories; episodes of a TV series or anime.
• 頭 (tō) — large animals (cattle, elephants, and similar). Many speakers still use 匹 more loosely for animals of mixed size.
• 羽 (wa / ba / pa) — birds; traditionally also rabbits.

Time, calendar, and frequency

• 秒 (byō) — seconds
• 分 (fun / pun) — minutes
• 時 (ji) — hours on the clock (o’clock)
• 時間 (jikan) — hour-long periods / duration
• 日 (nichi / -ka) — days of the month (with irregular readings for many dates)
• 週 (shū) — weeks
• ヶ月 / 箇月 (kagetsu) — month-long periods
• 月 (gatsu / tsuki) — months of the year (January–December as names; duration often uses kagetsu)
• 年 (nen) — years / school grades — not age
• 歳 / 才 (sai) — years of age (才 is a common informal abbreviation)
• 泊 (haku / paku) — nights of a stay
• 回 (kai) — times / occurrences
• 度 (do / tabi) — times, degrees of temperature or angle
• 番 (ban) — order, ranking, match number
• 倍 (bai) — multiples (“twice as much,” etc.)
• 畳 (jō) — tatami mats (also a way rooms are sized)

How to put a counter in a sentence

Two common patterns:

• After the noun (neutral): ビールを二本飲んだ — “I drank two bottles of beer.”
• Before the noun with の (emphasizes quantity): 二本のビールを飲んだ — more like stressing “two bottles.”

Questions often use 何 + counter: 何人 (nannin) “how many people?”, 何枚 (nanmai) “how many sheets?”, いくつ for the general つ system.

When you truly do not know the specialized counter, try 〜つ for one through ten (or 〜個 for higher counts of small items). You may not sound textbook-perfect, but you will almost always be understood.

Less common and specialized counters

Japanese has hundreds of counters. Many appear only in trades, classical writing, or very specific contexts. The list below is a reference map — useful when you meet a form in a text or menu, not a list you must memorize in one sitting. Prefer a more common counter when speakers normally do (for example, 匹 for most small fish instead of trade-only 尾).

• 場 (ba) — scene of a play or game
• 晩 (ban) — nights
• 番 (ban) — position, train platform, sports matches
• 尾 (bi) — small fish and shrimp (fish trade; everyday speech often uses 匹)
• 部 (bu) — magazine/newspaper copies; packets of paper
• 文 (bun) — sentences
• 拍子 (byōshi) — musical beats
• 着 (chaku) — suits / sets of clothing
• 挺 (chō) — guns, sticks of ink, palanquins, some instruments
• 丁 (chō) — tools, scissors, tofu blocks, restaurant servings, town blocks (among other uses)
• 町 (chō) — town blocks
• 代 (dai) — generations, historical periods, reigns
• 段 (dan) — levels, ranks, stair steps
• 段落 (danraku) — paragraphs
• 筆 (fude) — strokes drawn without lifting the pen
• 服 (fuku / puku) — bowls of matcha; packets of powdered medicine; puffs
• 幅 (fuku / puku) — hanging scrolls (kakejiku)
• 振 (furi) — swords
• 学級 (gakkyū) — school classes
• 語 (go) — words
• 言 (gon / koto) — words
• 具 (gu) — sets of furniture or armor
• 行 (gyō) — lines of text
• 泊 (haku) — nights of a stay
• 敗 (hai) — losses (sports)
• 箱 (hako) — boxes
• 張 (hari) — umbrellas, tents
• 柱 (hashira) — gods and memorial tablets (specialized)
• 発 (hatsu / patsu) — shots, bullets, fireworks; also figurative uses
• 品 (hin / pin) — dishes / courses in a meal
• 筆 (hitsu / pitsu) — plots of land
• 歩 (ho / po) — steps
• 票 (hyō / pyō) — votes
• 字 (ji) — characters (kanji, kana, letters)
• 児 (ji) — children (as in “father of two”)
• 錠 (jō) — pills, capsules
• 条 (jō) — articles of law; slender rays of light
• 架 (ka) — frames, racks
• 課 (ka) — lessons
• 株 (kabu) — nursery stocks / saplings
• 回 (kai) — occurrences
• 階 (kai / gai) — floors
• ヶ国 (kakoku) — countries
• ヶ国語 (kakokugo) — national languages
• 画 (kaku) — strokes of a kanji
• 貫 (kan) — pieces of nigiri sushi
• 艦 (kan) — warships
• 系統 (keitō) — bus routes / lines
• 件 (ken) — abstract cases and matters
• 軒 (ken / gen) — houses / buildings
• 機 (ki) — aircraft and machines
• 基 (ki) — foundations, statues, CPUs, dams (context-dependent)
• 斤 (kin) — loaves of bread
• 切れ (kire) — slices (bread, cake, sashimi)
• 戸 (ko) — households / houses (戸 “door”)
• 校 (kō) — schools
• 稿 (kō) — manuscript drafts
• 行 (kō) — banks
• 齣 (koma) — frames, panels
• 献 (kon) — rounds of drink
• 区 (ku) — districts, sections
• 句 (ku) — haiku / senryū
• 口 (kuchi) — bank accounts, donations
• 組 (kumi) — groups, pairs of people
• クラス (kurasu) — school classes
• 脚 (kyaku) — chairs, tables, stemmed glasses
• 客 (kyaku) — cup-and-saucer sets
• 曲 (kyoku) — pieces of music
• 局 (kyoku) — radio/TV stations or channels
• 巻 (maki / kan) — rolls, book volumes
• 幕 (maku) — acts of a play
• 門 (mon) — cannons
• 問 (mon) — questions
• 人前 (ninmae) — food portions (servings for N people)
• 折 (ori) — folded paper boxes
• ページ / 頁 (pēji) — pages
• 例 (rei) — examples, cases
• 礼 (rei) — bows at a shrine
• 輪 (rin) — wheels; also flowers in some uses
• 両 (ryō) — railway cars
• 棹 (sao) — chests, flags (specialized)
• 社 (sha) — companies
• 式 (shiki) — document or furniture sets
• 勝 (shō) — wins (sports)
• 首 (shu) — tanka / waka poems
• 週 (shū) — weeks
• 種類 / 種 (shurui / shu) — kinds, species
• 足 (soku) — pairs of shoes or socks
• 束 (taba) — bunches of flowers or vegetables
• 体 (tai) — statues, dolls, images
• 俵 (tawara) — rice bales
• 滴 (teki) — drops of liquid
• 点 (ten) — points; pieces in a set
• 頭 (tō) — large animals
• 時 (toki) — periods of time (literary / fixed phrases)
• 通り (tōri) — combinations / ways
• 通 (tsū) — letters / documents
• 坪 (tsubo) — area unit (~3.3 m²)
• 粒 (tsubu) — grains, small pellets
• 通話 (tsūwa) — phone calls
• 羽 (wa / ba / pa) — birds, rabbits
• 把 (wa) — bundles
• 話 (wa) — stories, TV episodes
• 夜 (ya) — nights
• 膳 (zen) — pairs of chopsticks / rice-bowl settings

Euphonious changes and reading patterns

When certain numbers meet counters that start with k-, s-, t-, h-, f-, p-, or w- sounds, the pronunciation smooths out. Classic examples:

• 一 ichi + 回 kai → 一回 ikkai
• 六 roku + 匹 hiki → 六匹 roppiki
• 三 san + 本 hon → 三本 sanbon

Responsive table: scroll sideways on small screens >>

Numeral	K	S / SH	T / CH	H	F	P	W
1 ichi	ikk [いっか]	iss [いっさ]	itt [いった]	ipp [いっぱ]	ipp [いっぷ]	ipp [いっぱ]
3 san				sanb [さんば]	sanp [さんぷ]		sanb [さんば]
4 yon				yonh [よんは] / yonp [よんぱ]	yonf [よんふ] / yonp [よんぷ]		yow [よわ] / yonw [よんわ] / yonb [よんば]
6 roku	rokk [ろっか]			ropp [ろっぱ]	ropp [ろっぷ]	ropp [ろっぱ]	rokuw [ろくわ] / ropp [ろっぱ]
8 hachi	hakk [はっか]	hass [はっさ]	hatt [はった]	happ [はっぱ]	happ [はっぷ]	happ [はっぱ]	happ [はっぱ] / hachiw [はちわ]
10 jū	jikk [じっか] / jukk [じゅっか]	jiss [じっさ] / juss [じゅっさ]	jitt [じった] / jutt [じゅった]	jipp [じっぱ] / jupp [じゅっぱ]	jipp [じっぷ] / jupp [じゅっぷ]	jipp [じっぱ] / jupp [じゅっぱ]	jipp [じっぱ]
100 hyaku	hyakk [ひゃっか]			hyapp [ひゃっぱ]	hyapp [ひゃっぷ]	hyapp [ひゃっぱ]
1000 sen				senb [せんば]	senp [せんぷ]
10000 man				manb [まんば]	manp [まんぷ]
何 nan				nanb [なんば]	nanp [なんぷ]

Some number–counter pairs also use fully irregular forms. The table below is a compact map of common exceptions:

N	日 nichi	人 nin	月 gatsu	時 ji	時間 jikan	階 kai	百 hyaku	千 sen	歳 sai
1	tsuitachi	hitori						issen
2	futsuka	futari
3	mikka					sangai	sanbyaku	sanzen
4	yokka	yonin	shigatsu	yoji	yojikan
5	itsuka
6	muika						roppyaku
7	nanoka	shichinin	shichigatsu	shichiji	shichijikan
8	yōka						happyaku	hassen
9	kokonoka		kugatsu	kuji	kujikan
10	tōka
14	jūyokka	jūyonin			jūyojikan
20	hatsuka								hatachi
24	nijūyokka	nijūyonin			nijūyojikan
何 nan						nangai		nanzen

Learn the eight everyday counters first, practice a few irregular readings (people, dates, hatachi for age 20), and keep the long list as a lookup. Over time the right counter stops feeling like decoration and starts sounding like Japanese.