That's about it vs That's it

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

That's about it

Informal Top 2,000 (common)

That's it

Top 1,000 (very common)

Most formal: That's it Most common: That's it

	That's about it	That's it
Pronunciation	🇬🇧 //ðæts əˈbaʊt ɪt// 🇺🇸 //ðæts əˈbaʊt ɪt//	🇬🇧 //ðæts ɪt// 🇺🇸 //ðæts ɪt//
Meaning	That's the main point or conclusion.	That's all; nothing more.
Example	We've talked about the project, the budget, and the timeline. That's about it.	After hours of work, I finally finished it. That's it!
Register	Informal	Neutral
How common	Top 2,000 (common)	Top 1,000 (very common)
Collocations	wrap it up, end the discussion, summarize the points, bring it to a close	that's it for now, that's it then, that's it folks
Antonyms	-	not yet, incomplete, ongoing
Common mistakes	Using 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.	Used in formal contexts where a more professional tone is needed., Mispronounced or emphasized incorrectly, making it unclear., Confused with other phrases like 'that's it for now'.
Usage notes	Commonly used to summarize or conclude a discussion. Appropriate in casual conversations but may seem rude in formal settings.	Commonly used to conclude a statement or to indicate finality. It's informal but acceptable in most casual contexts.

See it in real clips

- Jackson, but that's about it. - Mellish here.

That's... That's about it.

- Jackson, but that's about it. - Mellish here.

That's... That's about it.

That's about it

Chernobyl › S1 E1

That's it, that's the worst of it.

That's it.

Agatha Christies Poirot › S1 E1

So, that's it, is it?

Chernobyl › S1 E1

That's it, that's the worst of it.

That's it.

That's it

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

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

That's about it: That's the main point or conclusion. That's it: That's all; nothing more.

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

That's it is the most formal of these.

Which is more common: That's about it and That's it?

That's it is the most common in everyday English.

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 it: After hours of work, I finally finished it. That's it!

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

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