That's about it vs That's all

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

That's about it

InformalTop 2,000 (common)

That's all

Top 2,000 (common)
Most formal: That's all
 That's about itThat's all
Pronunciation🇬🇧 //ðæts əˈbaʊt ɪt//🇺🇸 //ðæts əˈbaʊt ɪt//🇬🇧 //ðæts ɔːl//🇺🇸 //ðæts ɔl//
MeaningThat's the main point or conclusion.That's everything.
ExampleWe've talked about the project, the budget, and the timeline. That's about it.And that's all I have to say about the project.
RegisterInformalNeutral
How commonTop 2,000 (common)Top 2,000 (common)
Collocationswrap it up, end the discussion, summarize the points, bring it to a closethat's all for now, that's all folks, that's all there is
Common mistakesUsing it in very formal situations where it seems too casual., Thinking it's a complete sentence without context., Confusing it with 'That's it' which has a slightly different tone.Using it in overly formal contexts., Not using it to close a conversation., Confusing it with 'that's it' in context.
Usage notesCommonly used to summarize or conclude a discussion. Appropriate in casual conversations but may seem rude in formal settings.Use in informal conversations to signal the end of a discussion or list. Avoid in formal writing.

See it in real clips

That's about it
That's all

Frequently asked questions: That's about it vs That's all

What's the difference between That's about it and That's all?

That's about it: That's the main point or conclusion. That's all: That's everything.

Which is more formal: That's about it and That's all?

That's all is the most formal of these.

Can you show an example of each?

That's about it: We've talked about the project, the budget, and the timeline. That's about it. That's all: And that's all I have to say about the project.

Can I use That's about it and That's all interchangeably?

Not always. That's about it and That's all 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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