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How to Say ‘How long will it take?’ in Japanese

どのくらいかかりますか。

dono kurai kakari masu ka

[doh-noh koo-rah-ee kah-kah-ree mahs kah]

💬 Usage Tip: [どのくらい] asks "about how much/how long," and what follows tells you what kind of amount you mean. With [かかりますか] here, it means "how long will it take?" rather than "how much will it cost?"

Phrase Breakdown

どの

dono

[doh-noh]

how; what amount

Used with くらい to ask how much or how long.

Example

どのくらいかかりますか。

How long will it take?

くらい

kurai

[koo-rah-ee]

about; approximately

When combined with question words, it asks about degree, amount, or time.

Example

どのくらいかかりますか。

How long will it take?

かかり

kakari

[kah-kah-ree]

take; cost

From the verb かかる, meaning to take time or cost money.

Example

どのくらいかかりますか。

How long will it take?

ます

masu

[mahs]

polite verb ending

Adds politeness to the verb in a question.

Example

どのくらいかかりますか。

How long will it take?

ka

[kah]

question marker

Turns the sentence into a polite question.

Example

どのくらいかかりますか。

How long will it take?

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