階
Counter · Money
階 kai
Counts floors of a building
For floors: 一階 (いっかい) is the ground floor in British terms, and 地下一階 (ちかいっかい) is the first basement.
Counting from one to ten
Highlighted forms change their sound, so learn them by heart.
| Number | Reading | Romaji |
|---|---|---|
| 1 | いっかい | ikkai |
| 2 | にかい | nikai |
| 3 | さんがい or さんかい | sangai / sankai |
| 4 | よんかい | yonkai |
| 5 | ごかい | gokai |
| 6 | ろっかい | rokkai |
| 7 | ななかい | nanakai |
| 8 | はっかい or はちかい | hakkai / hachikai |
| 9 | きゅうかい | kyūkai |
| 10 | じゅっかい or じっかい | jukkai / jikkai |
| How many? | なんがい or なんかい | nangai / nankai |
Third floor and “which floor?” usually voice to がい.
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