計 — “to measure / plan” in Japanese

Grade 2けい, はか

Radical ⾔ · radical 149 The building block this kanji is filed under

“to measure / plan” in Japanese is 計, read kei, haka (けい, はか). It is a Grade 2 Kyōiku kanji, taught in year 2 of Japanese elementary school, and appears in words such as 時計 (clock).

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What does 計 mean?

Full details, readings & example

Kanji	計
Meaning	to measure / plan
Readings	けい, はか
Grade	Grade 2 (Easy)
Curriculum	Kyōiku kanji · Japanese elementary school
Example	時計 (clock)

How to read 計

計 is read kei (けい) or haka (はか) depending on the word.

Words with 計

計画けいかく
計算けいさん
設計せっけい
計画的けいかくてき
時計

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Kanji read the same way as 計

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

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Updated: 2026-08-28