Hepburn Romanization Tool

Convert Japanese hiragana and katakana to Hepburn romanization.
You can also reverse conversion from Hepburn romanization to Japanese hiragana.

  • Japanese → Romaji
  • Romaji → Japanese
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Description

Conversion table

Yōon
Gojūon a i u e o
ka ki ku ke ko きゃkya きゅkyu きょkyo
sa shi su se so しゃsha しゅshu しょsho
ta chi tsu te to ちゃcha ちゅchu ちょcho
na ni nu ne no にゃnya にゅnyu にょnyo
ha hi fu he ho ひゃhya ひゅhyu ひょhyo
ma mi mu me mo みゃmya みゅmyu みょmyo
ya yu yo
ra ri ru re ro りゃrya りゅryu りょryo
wa i e o
n
Dakuten,
Handakuten
ga gi gu ge go ぎゃgya ぎゅgyu ぎょgyo
za ji zu ze zo じゃja じゅju じょjo
da ji zu de do ぢゃja ぢゅju ぢょjo
ba bi bu be bo びゃbya びゅbyu びょbyo
pa pi pu pe po ぴゃpya ぴゅpyu ぴょpyo
Other a i u e o ya yu yo
bu

Sokuon

As a rule, Sokuon are repeated with the immediately following consonant letter.
As an exception, use "tch" when the immediately following is "ch".

Example

  • きっと → kitto
  • こっち → kocchi → kotchi

Hatsuon

As a rule, use "n" for Hatsuon "ん".
As an exception, use "m" when the immediately following is "b, p, m".

Example

  • はんこ → hanko
  • さんばし → sanbashi → sambashi
  • あんぱん → anpan → ampan
  • あんまん → anman → amman

Chōon

Convert "uu" to "u".
Convert "oo" and "ou" to "o".

Example

  • くうき → kuuki → kuki
  • おおきい → ookii → okii
  • ほうき → houki → hoki

Supplement

There are various types (variants) in the Hepburn romanization. Also, depending on whether the word to be converted is "name" or not, the conversion rules may differ. However, since it is difficult to support all types systematically, the conversion rule 'Convert "oo" and "ou" to "o".' is applied to Chōon. Therefore, it is a specification that "いのうえ" is converted to "inoe".

Example

  • いのうえ → inoue → inoe
  • おうえん → ouen → oen
  • かのう → kanou → kano
  • のうか → nouka → noka

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