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空
空 (readings: くう, そら, あ; Japanese kanji) means “sky / empty”. It is a Grade 1 Kyōiku kanji, taught in year 1 of Japanese elementary school, and appears in words such as 青空 (blue sky).
What does 空 mean?
| Kanji | 空 |
|---|---|
| Meaning | sky / empty |
| Readings | くう, そら, あ |
| Grade | Grade 1 (Easiest) |
| Curriculum | Kyōiku kanji · Japanese elementary school |
How to read 空
空 is read くう or そら or あ depending on the word.
Example words with 空
| Example | 青空 (blue sky) |
|---|
Practice writing 空 — free
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Updated: 2026-07-14