# 億 — hundred million

億 means “hundred million”. It is a JLPT N2 kanji written with 15 strokes. On'yomi: オク (oku). It has no common kun'yomi. You'll see it in words such as 億 (oku, “hundred million; 100,000,000”).

- Meaning: hundred million
- On'yomi: オク (oku)
- Kun'yomi: —
- Strokes: 15
- Level: JLPT N2 · set Numbers & amounts 1

## How to remember 億

Parts: 亻 person · 意 idea

## Words with 億

| Word | Reading | Meaning |
| --- | --- | --- |
| 億 | おく (oku) | hundred million; 100,000,000 |

## Don't confuse it with

[意](https://moji.ninja/n4-kanji/idea/) · [憶](https://moji.ninja/n1-kanji/recollect/) · [臆](https://moji.ninja/n1-kanji/timid/) · [暗](https://moji.ninja/n4-kanji/dark/)

## More in the “Numbers & amounts 1” set

[超](https://moji.ninja/n2-kanji/go-beyond/) · [般](https://moji.ninja/n2-kanji/general-kind/) · [諸](https://moji.ninja/n2-kanji/various/) · [余](https://moji.ninja/n2-kanji/surplus/) · [億](https://moji.ninja/n2-kanji/hundred-million/) · [測](https://moji.ninja/n2-kanji/gauge/) · [枚](https://moji.ninja/n2-kanji/counter-for-flat-things/) · [複](https://moji.ninja/n2-kanji/multiple/) · [束](https://moji.ninja/n2-kanji/bundle/)

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From Moji Ninja (https://moji.ninja/), a free app for learning hiragana, katakana and the JLPT kanji from N5 to N1 with spaced repetition. Page: https://moji.ninja/n2-kanji/hundred-million/. Last updated 2026-11-01.