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How to Say ‘Yes, of course.’ in Japanese

はい、もちろんです。

hai mochiron desu

[high moh-chee-rohn dess]

💬 Usage Tip: [はい] adds a clear “yes,” and [もちろんです] adds friendly certainty. Together they sound very natural in polite conversation.

🇯🇵 In Japan: In Japanese conversation, giving a clear response like [はい] helps show you are listening carefully. Good listener points!

Phrase Breakdown

はい

hai

[high]

yes

A basic affirmative response used in polite conversation.

Example

はい、わかりました。

Yes, understood.

もちろんです

mochiron desu

of course; certainly

Polite way to strongly agree or give permission.

Example

もちろんです、いいですよ。

Of course, that's fine.

Words in this phrase

もちろん

mochiron

[moh-chee-rohn]

of course; certainly

Shows warm agreement and reassurance.

Example

もちろんですから、安心してください。

Of course, so please don't worry.

です

desu

[dess]

is; polite ending

Common polite ending in affirmative answers.

Example

それでいいです。

That is fine.

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