No problem vs That's okay

When to use each in English, with meaning, register, and examples.

No problem

InformalTop 2,000 (common)

That's okay

Top 2,000 (common)
Most formal: That's okay
 No problemThat's okay
Pronunciation🇬🇧 //nəʊ ˈprɒbləm//🇺🇸 //noʊ ˈprɑːbləm//🇬🇧 //ðæts əˈkeɪ//🇺🇸 //ðæts oʊˈkeɪ//
MeaningIt's okay; there is no issue.It's all right.
ExampleIf you need help, just ask! No problem at all!I forgot to call you, but that's okay.
RegisterInformalNeutral
How commonTop 2,000 (common)Top 2,000 (common)
Collocationsno problem at all, no problem with that, no problem for me, no problem saying, no problem helpingthat's okay with me, that's okay to do, that's okay if you can't
Antonyms-that's not okay, absolutely not
Common mistakesUsing in formal situations like business meetings., Confusing with 'not a problem' - they are similar but can have different strengths in reassurance., Saying it too quickly to dismiss someone’s concern.Using 'that's okay' in very formal situations, Confusing with 'that's fine' which can sound more dismissive, Mispronouncing or slurring words in quick speech
Usage notesUse 'no problem' in casual situations to reassure someone. It’s friendly but may not fit formal contexts.Used to reassure someone or indicate acceptance. Appropriate in most informal and neutral contexts, but can be overly casual in formal situations.

See it in real clips

No problem
That's okay

Frequently asked questions: No problem vs That's okay

What's the difference between No problem and That's okay?

No problem: It's okay; there is no issue. That's okay: It's all right.

Which is more formal: No problem and That's okay?

That's okay is the most formal of these.

Can you show an example of each?

No problem: If you need help, just ask! No problem at all! That's okay: I forgot to call you, but that's okay.

Can I use No problem and That's okay interchangeably?

Not always. No problem and That's okay are related and overlap in some contexts, but they differ in register, how common they are, and usage, so swapping one for another can change the meaning or tone. Check the differences above before substituting.

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