Used and loved by millions

Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak quote

Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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that's it

Grammar usage guide and real-world examples

USAGE SUMMARY

"that's it" is a correct and usable sentence in written English.
You can use it to indicate that you have nothing more to say or add to a discussion. For example: "I don't know any other solutions to the problem; that's it."

✓ Grammatically correct

News & Media

Science

Human-verified examples from authoritative sources

Exact Expressions

56 human-written examples

Yeah, that's it.

"Voilà, that's it.

News & Media

The New York Times

"Saving, that's it.

News & Media

The New York Times

Sofia Vergara, that's it.

News & Media

Los Angeles Times

P16 No? So that's it.

You turn six, that's it.

"Yep, that's it".

News & Media

The New York Times
Show more...

Human-verified similar examples from authoritative sources

Similar Expressions

4 human-written examples

Yes, that was it.

News & Media

The New York Times

Yep, that was it.

News & Media

The New York Times

Well that is it.

News & Media

BBC

That generation, that was it.

News & Media

Los Angeles Times

Expert writing Tips

Best practice

When using "that's it" to indicate agreement or sudden realization, ensure the context makes your intent clear to avoid ambiguity.

Common error

Avoid relying too heavily on "that's it" in formal or academic writing. While acceptable in conversational contexts, it can come across as too informal. Opt for more precise and descriptive language to convey finality or confirmation.

Antonio Rotolo, PhD - Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

88%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "that's it" primarily functions as an interjection or a short declarative phrase. It indicates completion, agreement, or sudden realization. Ludwig AI confirms its grammatical correctness. Examples from Ludwig show its use in signaling the end of a task or confirming understanding.

Expression frequency: Very common

Frequent in

News & Media

60%

Science

20%

Formal & Business

10%

Less common in

Academia

5%

Reference

3%

Wiki

2%

Ludwig's WRAP-UP

In summary, "that's it" is a grammatically correct and frequently used phrase with diverse applications. According to Ludwig AI, it commonly signals completion, agreement, or sudden understanding. While versatile, it's best suited for neutral to informal contexts. For formal writing, consider using more precise alternatives like "that is all" or "the end". Be mindful of overusing it in formal settings to maintain a professional tone. Ludwig's examples highlight its prevalence in news and media, suggesting its accessibility and widespread usage.

FAQs

How can I use "that's it" in a sentence?

"That's it" can be used to signal the end of something, like "That's it, I'm done with this project", or to express agreement or understanding, like "Oh, "that's it"! Now I understand".

What phrases are similar to "that's it"?

Similar phrases include "that is all", "the end", or "bingo", depending on the context.

Is "that's it" appropriate for formal writing?

While grammatically correct, "that's it" is generally considered informal. Use more precise and descriptive language in formal contexts.

What does "that's it" mean when someone says it?

The meaning of "that's it" depends on the context. It can mean "that's the end", "that's all", or indicate sudden understanding or agreement.

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Source & Trust

88%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Most frequent sentences: