How to Say Thank You in Japanese: 6 Ways, Casual to Formal

일본어 감사 표현 6가지: 아리가토와 스미마센 차이

Updated 2026-08-195 min read

The default is ありがとうございます (arigatou gozaimasu). When the favor is already complete, Japanese switches to the past form ありがとうございました. Friends get plain ありがとう or どうも, and when your thanks includes "sorry for the trouble", すみません is often the more natural choice.

The counter and food area inside a Japanese convenience store
Convenience store counter in Japan
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Present and past: Japanese conjugates its thanks

The first hurdle is tense. For a kindness happening now you say ありがとうございます; for one that has finished you say ありがとうございました. That is why restaurant staff thank you in the past form as you leave. The service is complete.

Getting it wrong will not break communication, but using the present form after the fact leaves a faint sense that you think the interaction is still ongoing. A simple rule: once the lesson has ended, the gift is in your hands, or the help is finished, switch to ございました.

Ways to say thank you, by register
JapaneseReadingWhen to use it
ありがとうございますarigatou gozaimasuThe default, for a kindness happening now
ありがとうございましたarigatou gozaimashitaFor something already completed
ありがとうarigatouCasual, for friends and family
どうもdoumoLight thanks, like taking a bag from a shop clerk
どうもありがとうございますdoumo arigatou gozaimasuEmphatic, "thank you very much"
恐れ入りますosore irimasuHighly formal, for business and hospitality

Why すみません often means thank you

Japanese frequently uses the apology すみません (sumimasen) where English would use thank you. The focus shifts to the trouble the other person went to on your behalf, so the feeling sits between gratitude and apology. Someone picking up something you dropped is the classic case.

A workable rule: if the other person spent time or effort, すみません fits; if you received a gift or goodwill, ありがとうございます is right. Stringing them together as すみません、ありがとうございます is natural too.

A vendor at a takoyaki stall passing a paper bag across the counter to a customer
A takoyaki stall in Dotonbori, Osaka, passing food to a customer

How to reply to thanks

どういたしまして (dou itashimashite) is the form textbooks teach and it is not wrong, but it sounds stiff in casual conversation. Native speakers reach far more often for light deflections like いえいえ or とんでもないです.

Responses to thank you
JapaneseReadingFeel
いえいえie ie"No no, it's nothing", the everyday default
とんでもないですtondemonai desuA polite, self-lowering "not at all"
こちらこそkochira koso"It is I who should thank you"
どういたしましてdou itashimashiteThe textbook answer, a little stiff in practice

Sorry and I love you in Japanese

After thanks, the phrases learners look up most are apologies and declarations of affection. Apologies split by register between すみません and ごめんなさい. With affection, the word to be careful with is 愛してる (aishiteru), which is far heavier than its English translation.

Apologies and affection
JapaneseReadingMeaning and use
すみませんsumimasen"Excuse me" / "sorry", the all-purpose one
ごめんなさいgomen nasaiA personal apology, casual form ごめん
申し訳ありませんmoushiwake arimasenFormal apology for business settings
好きですsuki desu"I like you", the usual way to confess feelings
大好きdaisuki"I really like/love it", warm and widely used
愛してるaishiteru"I love you", weighty and rarely said aloud

Even between partners, 愛してる is said sparingly in Japan; confessions and everyday affection usually go through 好きです or 大好き instead. Copying a drama line directly can land far heavier than the moment calls for.

Quick check.The lesson has just ended and you thank your teacher. Which form fits?

Learning these with the situation attached

For courtesy phrases, the hard part is knowing which form belongs to which moment. Rehearsing them attached to concrete scenes (paying, finishing a lesson, being offered a seat) makes them arrive on time in real conversation.

When the tense or the nuance is unclear, default to ありがとうございます. Missing the past form is a small thing. Skipping the thanks altogether stands out.

Frequently asked questions

How do you say thank you in Japanese?

Say ありがとうございます (arigatou gozaimasu). With friends use plain ありがとう, and どうも for a light thanks. If the favor is already finished, use the past form ありがとうございました.

What is the difference between ございます and ございました?

It is a tense distinction. Use ございます for a kindness in progress and ございました once it is complete. After a lesson ends or a meal is finished, the past form is the natural choice.

Do Japanese people say 愛してる in real life?

It is correct but rarely spoken. The phrase carries a lot of weight, so confessions and everyday affection usually use 好きです (suki desu) or 大好き (daisuki) instead.

Photos: Eliazar Parra Cardenas, CC BY 2.0; dconvertini, CC BY-SA 2.0, Wikimedia Commons

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