億 Kanji – hundred million

Meaning and Readings

How is 億 read?

億 has the onyomi reading オク.

In romaji, these readings can be written as oku.

Common Japanese Words Using 億

These common Japanese words contain 億. Select linked kanji to explore their meanings and readings.

• 一億（いちおく） — 100,000,000, one hundred million
• 億（おく） — hundred million, 100,000,000, 10^8
• 十億（じゅうおく） — 1,000,000,000, billion
• 数億年（すうおくねん） — several hundred million years
• １００億（ひゃくおく） — 10,000,000,000, ten billion

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Related Kanji

• 屋
  roof, house, shop, dealer, seller
• 介
  jammed in, shellfish, mediate, concern oneself with
• 読
  read
• 弁
  valve, petal, braid, speech, dialect, discrimination, dispose of, distinguish, conical cap
• 根
  root, radical, head (pimple)
• 色
  color