Japanese symbol for “diameter”
直径
ちょっけい
Romaji: chokkei
diameter
In Japanese, diameter is 直径, read ちょっけい (chokkei).
Before using these characters for a tattoo, check them with a native speaker. Dictionary words often have several meanings, and the right choice depends on context.
Meanings
- n diameter
Kanji and stroke order
Other Japanese words for “diameter”
| Word | Reading | Meaning |
|---|---|---|
| 径 | けい kei | diameter |
| 差し渡し | さしわたし sashiwatashi | length; diameter; distance across |
| ダイアミター | ダイアミター daiamitaa | diameter |
Related words
Words that share a kanji.
| Word | Reading | Meaning |
|---|---|---|
| 直接 | ちょくせつ chokusetsu | direct; immediate; personal |
| 正直 | しょうじき shoujiki | honest; frank; candid |
| 直後 | ちょくご chokugo | immediately following |
| 直前 | ちょくぜん chokuzen | just before; just prior to |
| 素直 | すなお sunao | obedient; meek; docile |
| 直ちに | ただちに tadachini | at once; immediately; right away |
| 半径 | はんけい hankei | radius |
| 口径 | こうけい koukei | aperture; bore; calibre |
See also: Chinese symbol for “diameter”.
Data: JMdict (CC BY-SA 4.0); KANJIDIC2 (CC BY-SA 4.0); KanjiVG (CC BY-SA 3.0); wordfreq (CC BY-SA 4.0 (data)). Retrieved 2026-10-22.