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道Nihongo Path
階

階·floor, story, stage

On-yomi
カイ
Kun-yomi
none

By Nihongo PathUpdated

Stroke order

Write it in this order; the numbers mark where each stroke starts.

12 strokes, numbered in writing order. Data: KanjiVG (CC BY-SA 3.0).

Common words

WordReadingMeaning
一階いっかいfirst floor, ground floor
階段かいだんstairs
何階なんがいwhich floor
段階だんかいstage, phase

Example sentences

  1. 食堂は一階にあります。

    しょくどうはいっかいにあります。

    The cafeteria is on the ground floor.

  2. エレベーターは込んでいるので階段を使います。

    えれべーたーはこんでいるのでかいだんをつかいます。

    The lift is crowded, so I'll take the stairs.

  3. 計画はまだ最初の段階です。

    けいかくはまださいしょのだんかいです。

    The plan is still at its first stage.

Similar-looking kanji

Do not confuse these on the exam.

Common mistakes

  • Reading 何階 as *なんかい — in this counter it voices to なんがい (and なんかい also means 'how many times', 何回)
  • Forgetting 三階 is さんがい and 一階 is いっかい

Memory aid

Picture it

A hill (阝) climbed by everyone (皆) — steps and floors you go up level by level.

Vocabulary using this kanji

Quick check

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What does the kanji 階 mean?