Japanese Counters by Shape — 本, 枚, 冊, 匹 [JLPT N4]

Content by NTJ Kuma · Nihongo to Japan editorial team · Updated July 27, 2026

“3 pencils, 2 sheets, 1 book, 1 dog” — how shape and type decide the counter, with examples. (JLPT N4)

「鉛筆3本」「紙2枚」 — counting things by their “shape”

「本を3」「鉛筆を2」「紙を5」 — to count things in Japanese, you can't just say a number; you pick the right “counter” by the object's shape and nature: long/thin things take 「本」, flat things 「枚」, books 「冊」, small animals 「匹」. This guide sorts the most common counters, how to choose them, and the sound changes (3本 = さんぼん), covering counting at once.

Core: pick the counter by “shape/nature”

Counting = number + counter, chosen by the object's traits:

Main counters

CounterForExample
〜本 (ほん)long/thin鉛筆3
〜枚 (まい)flat/thin紙2
〜冊 (さつ)books本5
〜匹 (ひき)small animals猫1
〜個 (こ)small things (general)りんご3

Examples in use

⚠️ Where learners slip up

Pick the counter by shape. Long/thin → 本 (pencil, umbrella), flat → 枚 (paper, ticket), books → 冊, small animals → 匹. Chinese counters don't map exactly, so memorize by Japanese's shape logic.

「本」 changes sound. 1本 (いっん), 3本 (さんん), 6本 (ろっん), 8本 (はっん) — number + 本 has geminate/voiced changes, the most-missed reading (likewise 匹: 1匹 いっぴき, 3匹 さんびき).

1 and 2 people are special. 1人 (ひとり), 2人 (ふたり); 3人 is regular (さんにん). Memorize those two.

🔄 Compare: 本/枚/個 (when unsure)

CounterNatureExample
〜本long/thinペン・傘・瓶
〜枚flat/thin紙・皿・切手
〜個small lump (most general)りんご・卵
〜つ (一つ〜)general (1–9, kun'yomi)りんご一

💡 The one thing to remember

Counters are a hurdle in Japanese counting, but don't be scared — memorize the highest-frequency ones first: 本 (long/thin), 枚 (flat), 冊 (books), 匹 (small animals), 個 (general), and look up the rest as you go. Two practical rescues: ① when unsure, small things take 「〜個」 or kun'yomi 「一つ・二つ」 (1–9) safely; ② memorize the sound changes (1本 いっぽん, 3本 さんぼん) — the most-missed in listening/speaking. Master counters and shopping and ordering flow much better.

❓ FAQ

Q: What if I don't know which counter to use?

Two safe bets: ① small things take 「〜個 (こ)」 (りんご3個, 卵2個 — general for small lumps); ② use kun'yomi 「一つ・二つ・三つ…(ひとつ・ふたつ・みっつ)」, general for 1–9, object-agnostic (りんご一つ, いす二つ). When you can't recall the specific counter, these two rescue you. Add 「本・枚・冊・匹」 as you get comfortable.

Q: Why is 「3本」 read 「さんぼん」, not 「さんほん」?

Because the counter 「本」 undergoes sound changes (gemination, voicing) with certain numbers: 1本 (いっん), 3本 (さんん), 6本 (ろっん), 8本 (はっん), while others (2本 にほん, 4本 よんほん) don't. 「匹」 is the same (1匹 いっぴき, 3匹 さんびき, 6匹 ろっぴき). There's no simple rule — just practice the readings.

🖊️ Practice Quiz

Q1. 「本を___買った。」(bought 3 books)

(A) 3匹 (B) 3冊 (C) 3本 (D) 3枚

Q2. 「紙を___ください。」(please give me 2 sheets of paper)

(A) 2冊 (B) 2本 (C) 2枚 (D) 2個

Q3. What does 「1本の電話があった」 mean?

(A) one phone line

(B) one phone call

(C) one mobile phone

(D) a 1-minute call

Q4. What is the correct reading of 「2人」?

(A) にひん (B) にじん (C) ふたり (D) ふたにん

Q5. 「車3___ある。」What's the correct counter?

(A) 本 (B) 枚 (C) 台 (D) 個


Answer Key

1. (B) 3冊 ── books/notebooks/magazines use 「冊 (さつ)」: 本を3冊買った.

2. (C) 2枚 ── flat objects (paper/tickets/plates) use 「枚」: 紙を2枚.

3. (B) one phone call ── 1本の電話 = one phone call (calls are counted with 本).

4. (C) ふたり ── 2人 = ふたり (irregular reading).

5. (C) 台 ── machines/vehicles use 「台」: 車3台.

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