Japanese Counters Complete Guide 2026: 本, 枚, 匹, 冊 — 30 Counters + Irregular Readings [JLPT N5]

By Nihongo to Japan · Updated July 3, 2026

Which counter to use for which object — plus the tricky irregular readings for 1/2/3

Japanese Counters: Why Is Counting So Complex?

English just has one, two, three — but Japanese uses different counters for different kinds of objects, and the same counter changes its reading with certain numbers (sound changes). Here are the most useful counters and their irregular readings.

The 15 Most Common Counters

CounterReadingUsed forExample
〜枚まいflat/thin things (paper, plates, tickets)紙3枚
〜本ほんlong/thin things (bottles, pens, umbrellas)ビール2本
〜冊さつbound things (books, notebooks)本3冊
〜匹ひきsmall animals (cats, dogs, fish, insects)猫2匹
〜頭とうlarge animals (cows, horses, elephants)牛5頭
〜羽birds, rabbits鳥3羽
〜台だいmachines, vehicles車3台
〜個small objects (general)りんご4個
〜杯はいcupfuls/glassfulsコーヒー1杯
〜人にんpeople学生5人
〜名めいpeople (formal)3名様
〜回かいtimes (frequency)3回
〜歳さいage20歳
〜階かいfloors3階
〜円えんyen (money)100円

Irregular Readings of 〜本 (ほん)

NumberReadingNumberReading
1本いっぽん6本ろっぽん
2本にほん7本ななほん
3本さんぼん8本はっぽん
4本よんほん9本きゅうほん
5本ごほん10本じゅっぽん

Irregular Readings of 〜匹 (ひき)

NumberReading
1匹いっぴき
2匹にひき
3匹さんびき
6匹ろっぴき
10匹じゅっぴき

Irregular Readings of 〜杯 (はい)

NumberReading
1杯いっぱい
2杯にはい
3杯さんばい
6杯ろっぱい
10杯じゅっぱい

People: the Special Readings of 1人・2人

NumberReadingNote
1人ひとりcompletely irregular
2人ふたりcompletely irregular
3人さんにんregular from here
4人よにんnot よんにん

Choosing an Animal Counter

AnimalCounterReason
cats, dogs, fish, insects〜匹 (ひき)small animals
cows, horses, elephants〜頭 (とう)large animals
birds, rabbits〜羽 (わ)birds (and rabbits, traditionally)

Useful Question Words

Question wordMeaningExample
何枚(なんまい)how many (flat)?切符は何枚ですか?
何本(なんぼん)how many (long)?ペンは何本ありますか?
何人(なんにん)how many people?何人来ますか?
何個(なんこ)how many (objects)?りんごは何個ですか?

❌ Common Mistakes

Mistake 1: mixing up paper vs book counters

Mistake 2: wrong animal counter

Mistake 3: forgetting the sound change

🖊️ Practice Quiz

Q1. 「ジュースを3___ください。」(3 bottles of juice)

(A) 冊 (B) 枚 (C) 本 (D) 台

Q2. 「猫を2___飼っています。」(keeping 2 cats)

(A) 頭 (B) 羽 (C) 匹 (D) 本

Q3. What is the correct reading of 「1本」?

(A) いちほん (B) いっぽん (C) いちぼん (D) いっほん

Q4. 「コーヒーを1___お願いします。」(1 cup of coffee)

(A) 枚 (B) 杯 (C) 個 (D) 本

Q5. 「教室に学生が___います。」(3 students) Which is correct?

(A) 三匹 (B) 三名 (C) 三個 (D) 三冊


Answer Key

1. (C) 本 ── bottles (long, thin objects) use 「本」. 3本 = さんぼん.

2. (C) 匹 ── cats are small animals, counted with 「匹」. 2匹 = にひき.

3. (B) いっぽん ── 1本 has a sound change (sokuon + handakuon).

4. (B) 杯 ── drinks in cups/glasses use 「杯」: コーヒーを1杯.

5. (B) 三名 ── people are counted with 名 (or 人); 三名 = 3 people. 匹/個/冊 are for animals/objects/books.