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's clear
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "that's clear" is correct and can be used in written English.
You can use it to confirm that you or someone else understands the explanation of a concept. For example, "We can divide the revenue by quarter - that's clear."
✓ Grammatically correct
News & Media
Alternative expressions(4)
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
57 human-written examples
Fabius said: "We are for an agreement, that's clear.
News & Media
Blimp is an anti-Nazi movie, that's clear.
News & Media
One thing that's clear is this campaign is going on.
News & Media
"That we don't agree on everything, that's clear," he said.
News & Media
One thing that's clear: E-texts won't be cheap.
News & Media
That's clear in Bush's manhandling use of Terri Schiavo.
News & Media
That's clear.
News & Media
I think that's clear".
News & Media
That's clear, then.
News & Media
That's clear enough.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
1 human-written examples
But, even so, there's a lot that's clear-cut".
News & Media
Expert writing Tips
Best practice
When explaining a concept, use "that's clear" to ensure your audience is following along before continuing.
Common error
While perfectly acceptable in everyday conversation, avoid overuse of "that's clear" in formal writing. Opt for more sophisticated alternatives like "it is evident" or "it is apparent" to maintain a professional tone.
Source & Trust
93%
Authority and reliability
4.6/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "that's clear" functions as an interjection or response, indicating agreement, understanding, or confirmation of something that has been explained. It is commonly used to signal comprehension, as confirmed by Ludwig.
Frequent in
News & Media
100%
Less common in
Formal & Business
0%
Science
0%
Academia
0%
Ludwig's WRAP-UP
In summary, "that's clear" is a common and grammatically correct phrase used to indicate understanding or agreement. Ludwig's AI confirms its validity in written English. It's most frequently found in news and media contexts. While acceptable in most situations, consider more formal alternatives like "it is evident" for professional writing. Use it confidently in conversations to signal comprehension and keep communication flowing.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
that's evident
Slightly more formal; emphasizes obviousness.
that's obvious
Similar in meaning, but emphasizes a lack of complexity.
that's understood
Focuses on comprehension rather than clarity.
that's certain
Highlights the certainty or sureness of something.
it's apparent
Similar to "that's evident", but more descriptive.
it's plain
Emphasizes simplicity and ease of understanding.
that's unequivocal
Emphasizes the lack of ambiguity.
i understand
Focuses on the speaker's comprehension.
i see
A more casual way of expressing understanding.
understood
A concise confirmation of understanding.
FAQs
How can I use "that's clear" in a sentence?
You can use "that's clear" to indicate understanding or agreement. For example, "Now that I've explained the process, "that's clear", right?"
What can I say instead of "that's clear"?
You can use alternatives like "that's evident", "that's obvious", or "that's understood" depending on the context.
Is it appropriate to use "that's clear" in formal writing?
While grammatically correct, "that's clear" might be too informal for some formal writing contexts. Consider using phrases like "it is evident" or "it is apparent" for a more professional tone.
What's the difference between "that's clear" and "that's obvious"?
Both phrases indicate understanding, but "that's obvious" suggests that something is very easy to understand, while ""that's clear"" simply means that something is understood.
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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
93%
Authority and reliability
4.6/5
Expert rating
Real-world application tested