That's all vs That's it

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

That's all

Top 2,000 (common)

That's it

Top 1,000 (very common)

Most common: That's it

	That's all	That's it
Pronunciation	🇬🇧 //ðæts ɔːl// 🇺🇸 //ðæts ɔl//	🇬🇧 //ðæts ɪt// 🇺🇸 //ðæts ɪt//
Meaning	That's everything.	That's all; nothing more.
Example	And that's all I have to say about the project.	After hours of work, I finally finished it. That's it!
Register	Neutral	Neutral
How common	Top 2,000 (common)	Top 1,000 (very common)
Collocations	that's all for now, that's all folks, that's all there is	that's it for now, that's it then, that's it folks
Antonyms	-	not yet, incomplete, ongoing
Common mistakes	Using it in overly formal contexts., Not using it to close a conversation., Confusing it with 'that's it' in context.	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	Use in informal conversations to signal the end of a discussion or list. Avoid in formal writing.	Commonly used to conclude a statement or to indicate finality. It's informal but acceptable in most casual contexts.

See it in real clips

House Of Cards › S1 E1

Blue Toyota Camry, that's all I saw.

Agatha Christies Poirot › S1 E1

No, that's all. Funny woman.

House Of Cards › S1 E1

Blue Toyota Camry, that's all I saw.

Agatha Christies Poirot › S1 E1

No, that's all. Funny woman.

That's all

Succession › S1 E1

Think that's it.

Agatha Christies Poirot › S1 E1

So, that's it, is it?

Succession › S1 E1

Think that's it.

Agatha Christies Poirot › S1 E1

So, that's it, is it?

That's it

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

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

That's all: That's everything. That's it: That's all; nothing more.

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

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

Can you show an example of each?

That's all: And that's all I have to say about the project. That's it: After hours of work, I finally finished it. That's it!

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

Not always. That's all 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.