Chi (hiragana: ち, katakana: チ) is one of the Japanese kana, which each represent one mora. Both are phonemically /ti/, reflected in the Nihon-shiki and Kunrei-shiki romanization ti, although, for phonological reasons, the actual pronunciation is [t͡ɕi] ⓘ, which is reflected in the Hepburn romanization chi.

The kanji for one thousand (千, sen), appears similar to チ, and at one time they were related, but today チ is used as phonetic, while the kanji carries an entirely unrelated meaning.

Many onomatopoeic words beginning with ち pertain to things that are small or quick.

The dakuten forms ぢ, ヂ, are uncommon. They are primarily used for indicating a voiced consonant in the middle of a compound word (see rendaku), and they don't usually begin a word. The dakuten form of the shi character is sometimes used when transliterating "di", as opposed to チ's dakuten form; for example, Aladdin is written as アラジン Arajin, and radio is written as ラジオ. It is, however, more common to use ディ instead, such as ディオン to translate the name Dion.

In the Ainu language, チ by itself is pronounced [t͡s], and can be combined with the katakana ヤ, ユ, エ, and ヨ to write the other [t͡s] sounds. The combination チェ (pronounced [t͡se]), is interchangeable with セ゚.

FormRōmajiHiraganaKatakana
Normal ch-/t- (た行 ta-gyō)chi
chii, chyi chīちい, ちぃ ちーチイ, チィ チー
Addition yōon ch-/ty- (ちゃ行 cha-gyō)chaちゃチャ
chaa chāちゃあ, ちゃぁ ちゃーチャア, チャァ チャー
chuちゅチュ
chuu, chwu chūちゅう, ちゅぅ ちゅーチュウ, チュゥ チュー
choちょチョ
chou choo chōちょう, ちょぅ ちょお, ちょぉ ちょーチョウ, チョゥ チョオ, チョォ チョー
Addition dakuten d-/j- (だ行 da-gyō)ji
jii, jyi ぢい, ぢぃ ぢーヂイ, ヂィ ヂー
Addition yōon and dakuten dy-/j- (ぢゃ行 dya-gyō)jaぢゃヂャ
jaa ぢゃあ, ぢゃぁ ぢゃーヂャア, ヂャァ ヂャー
juぢゅヂュ
juu, jwu ぢゅう, ぢゅぅ ぢゅーヂュウ, ヂュゥ ヂュー
joぢょヂョ
jou joo ぢょう, ぢょぅ ぢょお, ぢょぉ ぢょーヂョウ, ヂョゥ ヂョオ, ヂョォ ヂョー
Form A (ch-/chw-)
Other additional forms
Form A (ch-/chw-) Romaji Hiragana Katakana (cha) (ちゃ) (チャ) (chyi) (ちぃ) (チィ) (chu) (ちゅ) (チュ) che chei chee chē ちぇ ちぇい, ちぇぃ ちぇえ ちぇー チェ チェイ, チェィ チェエ チェー (cho) (ちょ) (チョ) chwa ちゅぁ, ちゎ チュァ, チヮ chwi ちゅぃ チュィ (chwu) (ちゅぅ) (チュゥ) chwe ちゅぇ チュェ chwo ちゅぉ チュォForm B (dy-/j-/jw-) Romaji Hiragana Katakana (dya, ja) (ぢゃ) (ヂャ) (dyi, jyi) (ぢぃ) (ヂィ) (dyu, ju) (ぢゅ) (ヂュ) dye, je dyei, jei dyee, jee dyē, jē ぢぇ ぢぇい, ぢぇぃ ぢぇえ ぢぇー ヂェ ヂェイ, ヂェィ ヂェエ ヂェー (dyo, jo) (ぢょ) (ヂョ) jwa ぢゅぁ, ぢゎ ヂュァ, ヂヮ jwi ぢゅぃ ヂュィ (jwu) (ぢゅぅ) (ヂュゥ) jwe ぢゅぇ ヂュェ jwo ぢゅぉ ヂュォ
RomajiHiraganaKatakana
(cha)(ちゃ)(チャ)
(chyi)(ちぃ)(チィ)
(chu)(ちゅ)(チュ)
che chei chee chēちぇ ちぇい, ちぇぃ ちぇえ ちぇーチェ チェイ, チェィ チェエ チェー
(cho)(ちょ)(チョ)
chwaちゅぁ, ちゎチュァ, チヮ
chwiちゅぃチュィ
(chwu)(ちゅぅ)(チュゥ)
chweちゅぇチュェ
chwoちゅぉチュォ
RomajiHiraganaKatakana
(dya, ja)(ぢゃ)(ヂャ)
(dyi, jyi)(ぢぃ)(ヂィ)
(dyu, ju)(ぢゅ)(ヂュ)
dye, je dyei, jei dyee, jee dyē, jēぢぇ ぢぇい, ぢぇぃ ぢぇえ ぢぇーヂェ ヂェイ, ヂェィ ヂェエ ヂェー
(dyo, jo)(ぢょ)(ヂョ)
jwaぢゅぁ, ぢゎヂュァ, ヂヮ
jwiぢゅぃヂュィ
(jwu)(ぢゅぅ)(ヂュゥ)
jweぢゅぇヂュェ
jwoぢゅぉヂュォ

Stroke order

Stroke order in writing ちStroke order in writing チ
Stroke order in writing ち
Stroke order in writing チ

Other communicative representations

Japanese radiotelephony alphabetWabun code
千鳥のチ Chidori no "Chi"
Japanese Navy Signal FlagJapanese semaphoreJapanese manual syllabary (fingerspelling)Braille dots-1235 Japanese Braille
  • Full Braille representation
ち / チ in Japanese BrailleCh/J/Dy + Yōon braille
ち / チ chiぢ / ヂ ji/diちい / チー chīぢい / ヂー /ちゃ / チャ chaぢゃ / ヂャ ja/dyaちゃあ / チャー chāぢゃあ / ヂャー /dya
Ch/J/Dy + Yōon braille
ちゅ / チュ chuぢゅ / ヂュ ju/dyuちゅう / チュー chūぢゅう / ヂュー /dyūちょ / チョ choぢょ / ヂョ jo/dyoちょう / チョー chōぢょう / ヂョー /dyō
Character information
Preview
Unicode nameHIRAGANA LETTER TIKATAKANA LETTER TIHALFWIDTH KATAKANA LETTER TIHIRAGANA LETTER DIKATAKANA LETTER DICIRCLED KATAKANA TI
Encodingsdecimalhexdechexdechexdechexdechexdechex
Unicode12385U+306112481U+30C165409U+FF8112386U+306212482U+30C213024U+32E0
UTF-8227 129 161E3 81 A1227 131 129E3 83 81239 190 129EF BE 81227 129 162E3 81 A2227 131 130E3 83 82227 139 160E3 8B A0
Numeric character referenceちちチチチチぢぢヂヂ㋠㋠
Shift JIS130 19182 BF131 9683 60193C1130 19282 C0131 9783 61
EUC-JP164 193A4 C1165 193A5 C1142 1938E C1164 194A4 C2165 194A5 C2
GB 18030164 193A4 C1165 193A5 C1132 49 152 5784 31 98 39164 194A4 C2165 194A5 C2
EUC-KR / UHC170 193AA C1171 193AB C1170 194AA C2171 194AB C2
Big5 (non-ETEN kana)198 197C6 C5199 89C7 59198 198C6 C6199 90C7 5A
Big5 (ETEN / HKSCS)199 72C7 48199 189C7 BD199 73C7 49199 190C7 BE

See also