How to say “ruler” in Japanese | 定規 (じょうぎ、jōgi)

21.12.2022

The Japanese vocabulary「定規 (じょうぎ、jōgi)」means “ruler.” Please learn the pronunciation and the example sentences.

Japanese Vocabulary and the Meaning

Key Word定規
Hiraganaじょうぎ
Romaji Readingjōgi
English Meaningruler

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The Correct Japanese Pronunciations

Please learn the pronunciation by watching the attached video. You can also learn example sentences.

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The Example Japanese Sentences

It is important to have skills in both non-honorific and honorific languages in order to use Japanese correctly.

I draw a line with a ruler.

Plain Form:

定規じょうぎを使つかって線せんを引ひく。
Jōgi o tsukatte sen o hiku.

Polite Form:

定規を使って線を引きます。
Jōgi o tsukatte sen o hikimasu.

The ruler fell off the desk and accidentally chipped off the end.

Plain Form:

定規じょうぎが机つくえから落おちて端はしが欠かけてしまった。
Jōgi ga tsukue kara ochite hashi ga kakete shimatta.

Polite Form:

定規が机から落ちて端が欠けてしまいました。
Jōgi ga tsukue kara ochite hashi ga kakete shimaimashita.

It’s difficult to draw a straight line without using a ruler.

Plain Form:

定規じょうぎを使つかわずにまっすぐな線せんを引ひくのは難むずかしい。
Jōgi o tsukawazu ni massuguna sen o hiku no wa muzukashī.

Polite Form:

定規を使わずにまっすぐな線を引くのは難しいです。
Jōgi o tsukawazu ni massuguna sen o hiku no wa muzukashī desu.

A transparent ruler is useful because we can see the writing underneath.

Plain Form:

透明とうめいな定規じょうぎは下したの文字もじが見みえて便利べんりだ。
Tōmeina jōgi wa shita no moji ga miete benri da.

Polite Form:

透明な定規は下の文字が見えて便利です。
Tōmeina jōgi wa shita no moji ga miete benri desu.

I’ll measure the length of the sides of a shape using a ruler.

Plain Form:

定規じょうぎを使つかって図形ずけいの辺へんの長ながさを測はかる。
Jōgi o tsukatte zukei no hen no nagasa o hakaru.

Polite Form:

定規を使って図形の辺の長さを測ります。
Jōgi o tsukatte zukei no hen no nagasa o hakarimasu.

I bent the ruler and it accidentally broke.

Plain Form:

定規じょうぎを曲まげげたら折おれてしまった。
Jōgi o magetara orete shimatta.

Polite Form:

定規を曲げたら折れてしまいました。
Jōgi o magetara orete shimaimashita.

Hold the end of the ruler firmly and draw a line.

Non-Honorific & Spoken Language:

定規じょうぎの端はしをしっかり押おさえながら線せんを引ひいて。
Jōgi no hashi o shikkari osaenagara sen o hiite.

Please hold the end of the ruler firmly and draw a line.

Polite Form:

定規の端をしっかり押さえながら線を引いてください。
Jōgi no hashi o shikkari osaenagara sen o hiite kudasai.

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