Learn Katakana: A Beginner's Guide

If hiragana is the first half of Japanese kana, katakana is the second. It is the same set of sounds with a sharper, more angular look — and once you start noticing it, katakana is everywhere.

What katakana is for

Japanese uses katakana for words that came from outside Japanese: loanwords (コーヒー [koohii] "coffee"), foreign names (マイク [maiku] "Mike"), many foods and brands, scientific terms, onomatopoeia, and emphasis — the way we might use italics. Where hiragana handles native words and grammar, katakana flags "this came from somewhere else." Learn to read it and a surprising amount of Japanese turns out to be borrowed English you already know.

Same sounds, sharper shapes

Katakana maps one-to-one onto hiragana: the same 46 basic syllables (あ = ア [a], か = カ [ka]), the same vowel rows, the same dakuten and handakuten rules (カ [ka] → ガ [ga], ハ [ha] → パ [pa]), and the same small や [ya], ゆ [yu], よ [yo] combinations (キャ [kya]). If you already know hiragana, this is not a new system — it is a second set of shapes for sounds you can already say. The shapes are straighter and more clipped, built from short strokes.

A fast way to learn it

Use the same rhythm that works for hiragana: a row or two a day, 15–20 minutes, with mnemonics. Tie each angular shape to an image — ヒ [hi] looks like a person laughing "hee-hee-hee," ル [ru] like a route splitting into two roads. Llearny gives every katakana character its own mnemonic illustration, and because the sounds are already familiar, most learners pick up katakana faster than hiragana.

The look-alikes that trip everyone up

A few katakana are notorious for looking almost identical. Learn these pairs deliberately:

• シ [shi] — its two short strokes are written top-to-bottom (almost vertical) and the long stroke sweeps up from the bottom — the flow follows hiragana し [shi].
• ツ [tsu] — its two short strokes are written left-to-right (almost horizontal) and the long stroke comes down from the top — the flow follows hiragana つ [tsu].
• ソ [so] / ン [n] — ソ's stroke falls steeply; ン's is flatter.
• ク [ku] / ワ [wa] / ケ [ke] — small differences in the corner.
• ノ [no] / メ [me] / ヌ [nu] — all built from the same diagonal.

The trick is the direction and angle of the strokes. Drill them side by side and the confusion fades.

Long vowels and reading loanwords

Katakana has one feature hiragana does not lean on: the long-vowel bar ー. It simply stretches the vowel before it: ラーメン [raamen], コーヒー [koohii], ケーキ [keeki] "cake". Once you know the bar, loanwords become a game of sounding out English through Japanese phonetics: テレビ [terebi] "television", パン [pan] "bread" (from Portuguese), アイスクリーム [aisukuriimu] "ice cream". Read a menu in Japan and half of it is katakana.

Practice

Finish each session by reading real katakana around you — brand names, menu items, anime titles. Recognising コーヒー [koohii] on a sign is far more motivating than drilling カ [ka] in isolation.

Knowing both kana is the real entry ticket to reading Japanese. If you have not done hiragana yet, start with learn hiragana in a week; when you are ready to say your first words, here is how to introduce yourself in Japanese.

Learn both kana with mnemonic illustrations on Llearny, for free.