炭 — charcoal / coal

Grade 3たん, すみ

Radical ⽕ · radical 86 The building block this kanji is filed under

炭 (readings: たん, すみ; Japanese kanji) means “charcoal / coal”. It is a Grade 3 Kyōiku kanji, taught in year 3 of Japanese elementary school, and appears in words such as 石炭 (coal).

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What does 炭 mean?

Full details, readings & example

Kanji	炭
Meaning	charcoal / coal
Readings	たん, すみ
Grade	Grade 3 (Medium)
Curriculum	Kyōiku kanji · Japanese elementary school
Example	石炭 (coal)

How to read 炭

炭 is read たん or すみ depending on the word.

Words with 炭

石炭than đá
炭坑hầm mỏ than

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Updated: 2026-08-09