Katakana Alphabet at a Glance

  • 46 basic characters representing syllables in the Japanese phonetic system [1]
  • Used by over 125 million Japanese speakers worldwide [2]
  • One of three writing systems used in Japanese (alongside Hiragana and Kanji) [2]
  • Developed around 9th century CE from simplified Chinese characters [2]
  • Primarily used for foreign loanwords, onomatopoeia, and emphasis [2]
  • Characters like ア (A), カ (Ka), サ (Sa) represent specific sounds [1]
  • Essential for Japanese Language Proficiency Test assessments [3]

Basic Katakana Characters

The 46 basic Katakana characters mirror Hiragana phonetically but use angular, geometric shapes. They are primarily used for foreign loanwords, technical terms, and emphasis in Japanese writing.

ア
[a]
イ
[i]
ウ
[u]
エ
[e]
オ
[o]
カ
[ka]
キ
[ki]
ク
[ku]
ケ
[ke]
コ
[ko]
サ
[sa]
シ
[shi]
ス
[su]
セ
[se]
ソ
[so]
タ
[ta]
チ
[chi]
ツ
[tsu]
テ
[te]
ト
[to]
ナ
[na]
ニ
[ni]
ヌ
[nu]
ネ
[ne]
ノ
[no]
ハ
[ha]
ヒ
[hi]
フ
[fu]
ヘ
[he]
ホ
[ho]
マ
[ma]
ミ
[mi]
ム
[mu]
メ
[me]
モ
[mo]
ヤ
[ya]
ユ
[yu]
ヨ
[yo]
ラ
[ra]
リ
[ri]
ル
[ru]
レ
[re]
ロ
[ro]
ワ
[wa]
ヲ
[wo]
ン
[n]

Dakuten and Handakuten Characters

Dakuten (゛) and handakuten (゜) diacritical marks modify basic Katakana characters to create 25 voiced and semi-voiced variations, such as ガ (ga) from カ (ka), essential for accurately representing foreign words.

ガ
[ga]
ギ
[gi]
グ
[gu]
ゲ
[ge]
ゴ
[go]
ザ
[za]
ジ
[ji]
ズ
[zu]
ゼ
[ze]
ゾ
[zo]
ダ
[da]
ヂ
[ji]
ヅ
[zu]
デ
[de]
ド
[do]
バ
[ba]
ビ
[bi]
ブ
[bu]
ベ
[be]
ボ
[bo]
パ
[pa]
ピ
[pi]
プ
[pu]
ペ
[pe]
ポ
[po]

Contracted Sounds Yoon

Yōon (contracted sounds) combine Katakana characters with smaller ャ (ya), ュ (yu), or ョ (yo) to create 33 palatalized sounds, crucial for transliterating foreign words like キャンプ (kyanpu/camp).

キャ
[kya]
キュ
[kyu]
キョ
[kyo]
シャ
[sha]
シュ
[shu]
ショ
[sho]
チャ
[cha]
チュ
[chu]
チョ
[cho]
ニャ
[nya]
ニュ
[nyu]
ニョ
[nyo]
ヒャ
[hya]
ヒュ
[hyu]
ヒョ
[hyo]
ミャ
[mya]
ミュ
[myu]
ミョ
[myo]
リャ
[rya]
リュ
[ryu]
リョ
[ryo]

Native Japanese Numbers in Katakana:

Though rarely used for numbers (typically written in Kanji or Arabic numerals), Katakana can phonetically represent native Japanese number words like ヒトツ (hitotsu) and フタツ (futatsu).

ヒト
[hito]
フタ
[futa]
ミ
[mi]
ヨ
[yo]
イツ
[itsu]
ム
[mu]
ナナ
[nana]
ヤ
[ya]
ココノ
[kokono]
トオ
[too]

Special Characters

Katakana employs special punctuation marks and symbols including the lengthening mark (ー) which extends vowel sounds in loanwords, plus iteration marks and standard Japanese punctuation.

゛
[dakuten]
゜
[handakuten]
ー
[choonpu]
ッ
[sokuon]
ヽ
[iteration mark]
ヾ
[iteration mark with dakuten]

Frequently Asked Questions (FAQs)

References:

  • [1] Unicode Consortium. "Katakana Block (U+30A0-U+30FF)". Retrieved from Unicode Katakana
  • [2] Japan Society for the Promotion of Science. "Japanese Writing System - Katakana Usage". Japanese government official documentation on Katakana writing system (URL no longer accessible)
  • [3] Japanese Language Proficiency Test. "Katakana Syllabary Requirements". Retrieved from JLPT Sample Test
Sambhu Raj SinghSambhu Raj Singh · LinkedIn · GitHub · Npm

Updated:


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