✨ Kanji Reading Lookup

Kanji to Katakana Converter

Type a common Japanese kanji word to see its reading rendered in katakana - the script dictionaries use for on'yomi readings, and the one many species and technical terms are conventionally written in instead of kanji.

Try one of these common words:

Kanji to Katakana Converter: Two Different Questions, One Tool

"Kanji to katakana" usually means one of two things. Either you want to see a kanji word's reading rendered in katakana script - the way dictionaries traditionally print the on'yomi reading - or you're asking why a specific word (often an animal, plant, or technical term) is conventionally written in katakana even though a kanji exists for it. This tool looks up each word in a verified dictionary and shows both: the reading in katakana, and a note when that word is one that's genuinely written in katakana in real usage.

Dictionary Convention: On'yomi in Katakana

Japanese dictionaries typically print a kanji's on'yomi (the reading borrowed from Chinese pronunciation) in katakana, and its kun'yomi (the native reading) in hiragana. This is a printing convention, not a pronunciation difference - キン and きん are the same sound, just separated visually so a reader can tell at a glance which reading type they're looking at.

Why Some Kanji Words Are Genuinely Written in Katakana

  • Biological species names - plant and animal names are conventionally written in katakana in scientific and everyday writing (イヌ rather than 犬 for "dog"), largely because many of the kanji involved are obscure even to native speakers.
  • Technical and medical terminology - some scientific and medical terms appear in katakana for clarity, even where a kanji form exists.
  • Stylistic emphasis - writers sometimes render an ordinary word in katakana to give it a harder or more modern visual tone, similar to italics or all-caps in English.

Example Kanji Words and Their Katakana Forms

KanjiKatakanaMeaningWhy Katakana
犬イヌDogSpecies-naming convention
猫ネコCatSpecies-naming convention
金キンGold / metalDictionary on'yomi convention
日本ニホンJapanReading shown in katakana script

Frequently Asked Questions

Does every kanji word have a katakana version?
No. Most native Japanese words are written in kanji, hiragana, or a mix of the two, and rarely appear in katakana in ordinary writing. Only loanwords, certain technical terms, and a kanji's on'yomi reading commonly appear in katakana.
Is a katakana reading a different pronunciation from the hiragana one?
Often, yes. Dictionaries use katakana specifically for the on'yomi and hiragana for the kun'yomi, and those are usually genuinely different readings of the same kanji, not the same sound written twice.
Why are animal and plant names often written in katakana instead of kanji?
It's a long-standing convention in Japanese scientific and everyday writing, largely because the kanji for many species names are obscure and harder to read at a glance than the katakana spelling.
Why doesn't this tool accept any kanji word I type?
Because the correct reading depends on knowing the specific word, not just the character. This tool only converts words verified in its dictionary rather than guessing at an unfamiliar one.

Explore the Other Conversion Tools

Need the hiragana reading instead? See our Kanji to Hiragana Converter, or convert freely between the two kana scripts with Hiragana to Katakana. Starting from an English name? Our Japanese Name Converter builds its katakana, hiragana, kanji, and romaji versions from scratch.