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
CEO of Professional Science Editing for Scientists @ prosciediting.com
that checks out
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "that checks out" is correct and usable in written English.
It is typically used to indicate that something is valid, accurate, or makes sense in a given context. Example: "After reviewing the evidence, I can confirm that the information you provided really checks out."
✓ Grammatically correct
News & Media
Wiki
Alternative expressions(20)
that sounds great
that sounds ominous
that appears correct
seems true
that seems fair
that sounds bad
that sounds reasonable
that seems concerning
that sounds acceptable
that sounds fair
that sounds difficult
that sounds real
this is serious
feels about right
that sounds wise
that seems acceptable
I understand
that appears critical
smells about right
this seems right
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
7 human-written examples
I'll start with the part that checks out: yes, comments on older blog posts are not being displayed at the moment, although they are still stored in the database on our side.
News & Media
He once called himself "the most cold-hearted son of a bitch you'll ever meet," and given his history of necrophilia, along with his penchant for decapitating, eating, and mutilating his victims well, yeah, that checks out.
News & Media
At the very least, inquire as to why these discrepancies exist, and expect an answer that checks out.
Wiki
Times have been tough for Experian, the company that checks out people's credit backgrounds for banks and stores.
News & Media
Radcliffe added: "Vetting people is problematic because a determined hacker will have a good back story that checks out to some extent.
News & Media
In some ways that checks out.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
53 human-written examples
(If you doubt that, check out the absolute disaster that is the pilot for Amazon's "Good Girls Revolt").
News & Media
For a sense of that, check out these unforgettable photos from the China Daily that show people around the country gazing raptly at the show in Beijing.
News & Media
(For more on that, check out "Fifteen Ways Your Laziness Is Costing You Money").
News & Media
To see how they're already doing that, check out the video below.
News & Media
(For more on that, check out this excellent profile of Rutledge in local publication D Magazine).
News & Media
Expert writing Tips
Best practice
When using "that checks out", ensure the context provides sufficient information for the statement's validity to be assessed. Avoid using it vaguely without clear supporting details.
Common error
Avoid using "that checks out" in highly formal or academic writing, as it is considered somewhat informal. Opt for more formal alternatives like "that is verified" or "that is substantiated" in those settings.
Source & Trust
82%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The primary grammatical function of "that checks out" is as an idiomatic expression used to express agreement or confirmation. As Ludwig AI states, the phrase is correct and usable in English. It typically indicates that something is valid, accurate, or makes sense in a given context.
Frequent in
News & Media
50%
Wiki
30%
Science
20%
Less common in
Formal & Business
0%
Reference
0%
Encyclopedias
0%
Ludwig's WRAP-UP
In summary, the phrase "that checks out" is a grammatically correct and usable expression, commonly used to express agreement or confirm the validity of information. According to Ludwig AI, it's typically used to indicate that something is valid, accurate, or makes sense. While versatile, it's most appropriate for informal to neutral contexts, such as news articles and general conversation. For more formal settings, alternative phrases such as "that is verified" or "that is substantiated" may be more suitable.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
that seems valid
Emphasizes the apparent validity of something, focusing on initial impressions.
that appears accurate
Highlights the accuracy or correctness of information, suggesting precision.
that seems legitimate
Focuses on the authenticity or lawfulness of something, implying it's genuine.
that holds up
Suggests that something withstands scrutiny or examination, proving its reliability.
that rings true
Indicates that something feels authentic or credible based on intuition.
that is confirmed
Highlights that something has been officially verified or validated.
that's plausible
Suggests that something is believable or likely based on the available information.
that is verifiable
Focuses on the potential for something to be checked and confirmed.
that's credible
Highlights the trustworthiness and reliability of something.
that is substantiated
Indicates that something has been supported with evidence or proof.
FAQs
What does "that checks out" mean?
The phrase "that checks out" means that something seems valid, accurate, or consistent with known facts or information. It's a way of expressing agreement or confirmation.
What can I say instead of "that checks out"?
You can use alternatives like "that seems valid", "that appears accurate", or "that seems legitimate" depending on the context.
Is "that checks out" formal or informal?
"That checks out" is generally considered informal. In more formal settings, you might prefer phrases like "that is confirmed" or "that is substantiated".
How to use "that checks out" in a sentence?
You can use "that checks out" to express agreement or confirmation. For example: "His explanation for the missing funds seems strange, but after reviewing the documents, "that seems valid"".
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Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
82%
Authority and reliability
4.5/5
Expert rating
Real-world application tested