Pillar guide
Learn Katakana: A Practical Guide for Adults
Forty-six angular characters, a three-day plan, and the loanword patterns that finally make katakana click.
What katakana is for
If hiragana is the cursive workhorse of Japanese, katakana is the block-letter sibling. Same phonetic system, 46 syllables, written in a different hand. But the scripts are not interchangeable: they do different jobs.
Katakana appears in three main contexts:
- Foreign loanwords (gairaigo). Coffee is コーヒー (ko-hi-). Computer is コンピューター (konpyu-ta-). Menu, taxi, piano, television, hotel, beer, beef, and thousands more are written in katakana because they arrived from another language.
- Brand names, foreign personal names, country names.Tokyo (東京) is kanji, but your name, if it is non-Japanese, will appear in katakana on Japanese documents.
- Emphasis and onomatopoeia. The Japanese equivalent of italics. Manga especially uses katakana for sound effects and emotional stress. ドキドキ (dokidoki, a beating heart) or ワクワク (wakuwaku, excitement) are katakana.
The 46-character chart
Here is the complete katakana set. Same sounds as hiragana, read the same way (top to bottom, left to right in aiueo order).
Notice the sharper, straighter forms compared with hiragana. Where hiragana flows, katakana stacks. This is a useful mental model: if a character feels crisp and geometric, it is katakana; if it feels cursive and looping, it is hiragana.
Katakana loanword patterns
Reading katakana is a strange hybrid skill because most of what you read is warped English. Once you learn the warping patterns, a huge amount of Japanese becomes instantly readable. Here are the big ones.
Vowels attach to every consonant
Japanese syllables end in vowels, so English words have to be padded. "Cat" becomes キャット (kyatto). "Bus" becomes バス (basu). "Desk" becomes デスク (desuku). When you read an unfamiliar katakana word, try stripping the trailing vowels first.
The long-vowel dash (ー)
Katakana uses a horizontal bar to extend a vowel: コーヒー (ko-hi-, coffee), カード (ka-do, card), スーパー (su-pa-, supermarket). It always takes the same sound as the vowel before it.
"Th" becomes "s" or "z"
Japanese has no "th" sound. "Thank you" becomes サンキュー (sankyu-). "Mother" becomes マザー (maza-). If you see a word that looks like it should start with a TH, try S or Z first.
"L" becomes "r"
Japanese has a single sound that English hears as halfway between L and R. Loanwords reflect this: "lemon" is レモン (remon), "love" is ラブ (rabu), "light" is ライト (raito).
"V" becomes "b" (usually)
"Video" is ビデオ (bideo). "Violin" is バイオリン (baiorin). Recent loanwords sometimes use ヴ (a modified ウ) to preserve the V sound: ヴァイオリン. Both are correct.
When in doubt, say it out loud
If you can sound out a katakana word and the result resembles an English word (or German, or Dutch, or Portuguese, or French), you have probably got it. The famous example is アルバイト (arubaito, part-time job) from the German Arbeit.
A shortcut that actually works
Walk into any Starbucks in Japan. The menu is 95 percent katakana. カフェラテ (kafe rate), キャラメルマキアート (kyarameru makia-to), カプチーノ (kapuchi-no). Five minutes of reading a coffee menu out loud teaches you more katakana than an hour of flashcards.
A three-day schedule
If hiragana took you three focused days, katakana will take two to three. The shapes are new, but your brain is already trained on the sounds.
Day 1 — 21 characters
Learn rows ア, カ, サ, タ, and ン. Same process as hiragana: shape, audio, compare each katakana against its hiragana counterpart ("This is the angular version of か") and write each three times. Morning session 45 minutes, evening session 20.
Day 2 — 15 more
Add rows ナ, ハ, マ. Review Day 1 first, then introduce new. Shuffle all 36 and drill.
Day 3 — the last 10 and cleanup
Add ヤ, ラ, ワ rows and ヲ. Drill the full 46. Isolate the confusables (see below) and drill them together. Read a few katakana words in context.
The confusables
Katakana has sharper shapes than hiragana, which means small differences matter more. These are the pairs that trip up nearly every learner.
シ vs ツ
Both are three strokes with dashes on the left. The difference is direction. シ (shi) has dashes that lean towards the lower left and a long stroke that finishes upward from bottom-right to top-right. ツ (tsu) has dashes that hang from the top, pointing downward, and a long final stroke that finishes downward.
Think of it as "shi smiles sideways, tsu frowns downward."
ン vs ソ
One-stroke characters that look almost identical. ン (n) has its final stroke moving from bottom-left to upper-right (rising). ソ (so) has its final stroke moving from upper-right to lower-left (falling). In handwriting, angle matters more than anything.
ク vs ワ
Both are two strokes. ク (ku) has a short diagonal that extends off the left side. ワ (wa) has a continuous box-like shape with no extension. Lean into the shape difference: ク kicks out, ワ stays in.
ナ vs メ
ナ (na) is a plus-sign-ish horizontal with a vertical tail. メ (me) is an X. In clean fonts the difference is obvious; in handwritten notes it is not. Drill them side by side.
Sounds only katakana can write
Modern loanwords sometimes need sounds that standard Japanese doesn't have. Katakana has extensions to cover them.
- ファ, フィ, フェ, フォ — fa, fi, fe, fo (for words like ファミリー, family).
- ヴァ, ヴィ, ヴ, ヴェ, ヴォ — va, vi, vu, ve, vo (rare, and younger speakers often just use B instead).
- ティ, ディ — ti, di (for パーティ (party) and ディナー (dinner)).
- チェ, ジェ — che, je (for チェス (chess) and ジェット (jet)).
- ウィ, ウェ, ウォ — wi, we, wo (for ウェブ (web) and ウィスキー (whiskey)).
You do not need to memorize these upfront. Recognize them when you see them.
How to practice katakana in the wild
Katakana practice rewards volume more than depth because the words you encounter will almost always be warped English. You want to see thousands of warped words so the decoding becomes automatic.
Airports, hotels, vending machines
Any touristic Japanese environment is katakana-heavy. Vending machines have カフェオレ, コーラ, コーヒー, and so on. Reading these in the wild is how your brain builds the pattern library.
Product labels
Japanese grocery stores are a katakana playground. Walk past the snack aisle and you will see ポテトチップス, バター, ミルク, チョコレート — and also the occasional Japanese product that uses katakana for a marketing edge (the Japanese confection オレオ is Oreo, yes).
Write your name
Look up the standard katakana version of your own name. Write it ten times. Say it aloud. You will hear it every time someone asks you to repeat it in a Japanese context, and the sound of your own name in another script is weirdly motivating.
Common questions
Should I learn katakana before or after hiragana?+
After. Hiragana is used in roughly 40 percent of everyday Japanese text and every single verb ending. Katakana shows up less often and is easier to pick up once hiragana is automatic.
Why does katakana look so different from hiragana?+
Historically, hiragana was the cursive form developed from simplified kanji, while katakana was the pared-down form used by Buddhist monks for pronunciation notes. The shapes diverged on purpose; they are two scripts written with different hands.
Can I live in Japan knowing only hiragana?+
You can survive, but you'll struggle. Train station names, restaurant menus, foreign product names, and most tech vocabulary are in katakana. You will also feel like a tourist more than you have to.
Which katakana are the hardest to tell apart?+
The classic confusables are シ (shi) vs ツ (tsu) and ン (n) vs ソ (so). Also ク (ku) vs ワ (wa), and ナ (na) vs メ (me) in certain fonts. Drill them in pairs from day one.
Is it true that katakana is harder than hiragana?+
Most adult learners find it equally hard to learn the shapes but harder to read in context. That is because your brain is faster at recognizing cursive shapes (hiragana) than angular ones, and because katakana words are often distorted English that you have to decode twice.
Next step: start building vocabulary, or jump to the full learning roadmap. If you want to see both hiragana and katakana drilled in one app, download Inku on iPhone. The first week is free.