That's fine vs This is good

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

That's fine

Top 2,000 (common)

This is good

High-frequency chunk
Most common: This is good
 That's fineThis is good
Pronunciation🇬🇧 //ðæts faɪn//🇺🇸 //ðæts faɪn//🇬🇧 //ðɪs ɪz ɡʊd//🇺🇸 //ðɪs ɪz ɡʊd//
MeaningIt's okay or acceptable.This is nice or fine.
ExampleYou can borrow my book; that's fine with me.After tasting the chocolate, she exclaimed, 'This is good!'
RegisterNeutralNeutral
How commonTop 2,000 (common)High-frequency chunk
Collocationsthat's fine with me, that's fine by you, that's fine to sayThis is great, This is wonderful, This is excellent
Common mistakesUsing 'that's fine' in formal writing., Confusing 'that's fine' with 'that's not fine' and using it negatively., Overusing 'that's fine' instead of finding more specific responses.Using 'good' in inappropriate contexts, confusing it with 'well' for actions., Overusing without specific context, leading to unclear meaning., Confusing with similar phrases like 'That's nice' or 'That's great' which can imply different levels of enthusiasm.
Usage notesUse 'That's fine' in casual conversations to express agreement or acceptance. Avoid in formal situations.Use when expressing approval or satisfaction. It's casual and appropriate in most conversational contexts, but avoid in very formal situations.

See it in real clips

That's fine
This is good

Frequently asked questions: That's fine vs This is good

What's the difference between That's fine and This is good?

That's fine: It's okay or acceptable. This is good: This is nice or fine.

Which is more common: That's fine and This is good?

This is good is the most common in everyday English.

Can you show an example of each?

That's fine: You can borrow my book; that's fine with me. This is good: After tasting the chocolate, she exclaimed, 'This is good!'

Can I use That's fine and This is good interchangeably?

Not always. That's fine and This is good 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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