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How to Say ‘How long is it?’ in Japanese

長さはどのくらいですか。

naga sa wa dono kurai desu ka

[naga sah wah doh-noh koo-rah-ee dess ka]

💬 Usage Tip: Put any measurement word before は and add どのくらいですか to ask how much: 高さはどのくらいですか "How tall is it?". The は is said (wa).

Phrase Breakdown

長さは

naga sa wa

the length (as for)

長さ (nagasa) means length and comes from 長い (long). は is read 'wa'.

Example

長さは同じです。

The length is the same.

Words in this phrase

長

naga

[naga]

long

Having great linear extent or duration.

Example

この映画は長すぎます。

This movie is too long.

さ

sa

[sah]

-ness; quality

Turns an adjective-like word into a noun showing a quality, like 'seriousness.'

Example

まじめさは行動で見えます。

Seriousness can be seen through actions.

は

wa

[wah]

topic marker; as for

Marks 'today' as the topic. Written は but pronounced 'wa.'

Example

本日はお時間をいただき、ありがとうございます。

Thank you for giving me your time today.

どのくらいですか。

dono kurai desu ka

about how much is it?

Pronounced 'dono kurai desu ka'. This asks for an approximate measurement.

Example

距離はどのくらいですか。

About how far is it?

Words in this phrase

どの

dono

[doh-noh]

how; what amount

Used with another word to ask “how much” or “how long.”

Example

どのくらいかかりますか、と聞きます。

You ask, “How long will it take?”

くらい

kurai

[koo-rah-ee]

about; approximately; extent

Together with どの, it forms 'how long/how much'.

Example

ホテルまでどのくらいかかりますか。

How long does it take to the hotel?

です

desu

[dess]

is; polite copula

A polite sentence ending used in formal conversation.

Example

少し伺いたいです。

I would like to ask a little.

か

ka

[ka]

question particle

A particle used at the end of a sentence to form a question.

Example

それは大丈夫ですか?

Is that okay?

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