換 — “Interchange / Period / Change / Convert” in Japanese

Master (高手)かん, か, -か

Radical ⼿ · radical 64 The building block this kanji is filed under

“Interchange / Period / Change / Convert” in Japanese is 換, read kan, ka (かん, か, -か). It is a Jōyō kanji taught in Japanese secondary school (junior & senior high) — the 高手 · Master tier beyond the grade 1–6 Kyōiku set, and appears in words such as 交換 (exchange).

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What does 換 mean?

Full details, readings & example

Kanji	換
Meaning	Interchange / Period / Change / Convert
Readings	かん, か, -か
Grade	Master (高手 · secondary school)
Curriculum	Jōyō kanji · Japanese secondary school (JLPT N1–N2)
Example	交換 (exchange)

How to read 換

換 is read kan (かん) or ka (か) or ka (-か) depending on the word.

Words with 換

交換

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Kanji read the same way as 換

Same sound, different character — the classic trap. Compare them side by side:

Updated: 2026-08-28