| 557 | A Guide To Reading and Writing Japanese (Florence Sakade) |
| 452 | A Guide To Reading and Writing Japanese 3rd edition (Henshall, Seeley and De Groot) |
| 430 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 389 | A New Dictionary of Kanji Usage |
| 551 | Classic Nelson (Andrew Nelson) |
| 868 | Essential Kanji (P.G. O’Neill) |
| 335 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 2252 | Japanese Names (P.G. O’Neill) |
| 382 | Kanji and Kana (Spahn and Hadamitzky) |
| 383 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 650 | Kanji in Context (Nishiguchi and Kono) |
| 136 | Kodansha Compact Kanji Guide |
| 192 | Kodansha Kanji Dictionary (Jack Halpern) |
| 125 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 148 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 992 | Les Kanjis dans la tete (Yves Maniette) |
| 1178 | Morohashi |
| 170 | New Japanese English Character Dictionary (Jack Halpern) |
| 321 | New Nelson (John Haig) |
| 983 | Remembering The Kanji (James Heisig) |
| 1058 | Remembering The Kanji, 6th edition (James Heisig) |
| 462 | The Kanji Way to Japanese Language Power (Dale Crowley) |
| 622 | Tuttle Kanji Cards (Alexander Kask) |
hundred million, 10**8
- On:
- オク
Jōyō kanji, taught in grade 4
JLPT level N2
716 of 2500 most used kanji in newspapers
Stroke order
On reading compounds
- 億 【オク】 hundred million, 100,000,000, 10^8
- 億万 【オクマン】 millions and millions
- 十億 【ジュウオク】 1,000,000,000, billion
- １００億 【ヒャクオク】 10,000,000,000, ten billion
Readings
- Japanese names:
- お
- Korean:
- eog
Spanish
- cien millones
- 10 elevado a 8
Portuguese
- cem milhões
- 10 elevado a 8
French
- cent millions
- 10**8
| 2158 | 2001 Kanji |
| 2a13.6 | The Kanji Dictionary |
| 1-2-13 | SKIP code |
| 2023.6 | Four corner code |
| 1-18-15 | JIS X 0208-1997 kuten code |
| 5104 | Unicode hex code |
Stroke order
On reading compounds
- 劫 【コウ】 kalpa (eon, aeon), ko, position that allows for eternal capture and recapture of the same stones
- 劫火 【ゴウカ】 world-destroying conflagration
- 大劫 【ダイコウ】 mahakalpa, great eon
- 空劫 【クウコウ】 the kalpa of nothingness (the final aeon of the universe)
- 劫 【コウ】 kalpa (eon, aeon), ko, position that allows for eternal capture and recapture of the same stones
- 劫火 【ゴウカ】 world-destroying conflagration
- 永劫 【エイゴウ】 eternity, perpetuity
- 未来永劫 【ミライエイゴウ】 forevermore, for eternity
- 劫掠 【キョウリャク】 pillage, plunder
Kun reading compounds
- 脅かす 【おびやかす】 to intimidate, to frighten, to scare, to threaten (e.g. peace), to jeopardize, to endanger, to imperil
Readings
- Korean:
- geob
Spanish
Portuguese
French
| 718 | Classic Nelson (Andrew Nelson) |
| 1435 | Kodansha Kanji Dictionary (Jack Halpern) |
| 1033 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 2316 | Morohashi |
| 529 | New Nelson (John Haig) |
| 2857 | Remembering The Kanji (James Heisig) |
| 2872 | Remembering The Kanji, 6th edition (James Heisig) |
| 2g5.2 | The Kanji Dictionary |
| 1-5-2 | SKIP code |
| 4472.7 | Four corner code |
| 1-25-69 | JIS X 0208-1997 kuten code |
| 52ab | Unicode hex code |