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
key thing to note
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "key thing to note" is correct and usable in written English.
It can be used to emphasize an important point or detail that the reader should pay attention to. Example: "When analyzing the data, the key thing to note is the significant increase in user engagement over the last quarter."
✓ Grammatically correct
News & Media
Science
Wiki
Alternative expressions(3)
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
19 human-written examples
That's right – feeling alone can make you want to be alone – a key thing to note if you're googling the word "loner".
News & Media
The key thing to note is that there are only two symbols that refer directly to food quality: the famous stars and the Bib Gourmand, which indicates "good cooking at moderate prices".
News & Media
"The key thing to note is that we are not just gathering this data.
News & Media
The key thing to note: These people work at their work-life balance--it doesn't happen on its own.
Science & Research
One key thing to note is that the app will only count distance if you have the app on.
News & Media
"The key thing to note is that ivory has been smuggled so far and wide, we've got to cut down the loopholes as much as we can.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
41 human-written examples
There are two key things to note here.
News & Media
There are two key things to note about the Facebook login.
News & Media
So the key things to note are that the yield curve is not inverted yet, which is the important signal, and should that happen recession may still be a few years out.
News & Media
A few key things to note: Google is going to offer its own Cloud Print service, but it wants the standard to be open and expects other alternative services to spring up as well.
News & Media
A few key things to note when interviewing your provider is to ask them how often they clean the carafes, how well they manage your inventory, and how quick they're to respond to requests for maintenance and service.
Wiki
Expert writing Tips
Best practice
Use "key thing to note" to introduce critical information that directly impacts the understanding of a topic. Ensure it immediately follows the point being emphasized for maximum clarity.
Common error
Avoid starting multiple consecutive sentences with "key thing to note". Vary your sentence structure to prevent the writing from sounding repetitive and monotonous.
Source & Trust
83%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "key thing to note" serves as an emphasizer, drawing attention to a crucial piece of information within a given context. It highlights elements that are essential for understanding or remembering specific details. Ludwig confirms that the phrase is grammatically correct and usable in written English.
Frequent in
News & Media
53%
Science
29%
Wiki
9%
Less common in
Formal & Business
3%
Academia
3%
Reference
3%
Ludwig's WRAP-UP
In summary, "key thing to note" is a versatile phrase used to emphasize crucial information across various contexts. As Ludwig confirms, it is grammatically correct and widely accepted. It's prevalent in news, science, and general informative content, indicating its broad applicability. When using this phrase, ensure it directly precedes the information being emphasized and consider alternative phrasings to maintain variety in your writing. Remember, while effective, overuse can diminish its impact. The phrase’s neutral register makes it suitable for both formal and informal communication. The provided examples from authoritative sources showcase its appropriate use, reinforcing its reliability and effectiveness.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
important point to remember
Focuses on memorability of the point rather than simply noting it.
essential aspect to consider
Emphasizes the necessity of considering the aspect.
significant detail to keep in mind
Highlights the importance of retaining the detail for future reference.
noteworthy element to observe
Suggests a careful observation of the element is required.
crucial factor to acknowledge
Underscores the critical nature and the need to recognize the factor.
primary takeaway to understand
Highlights the main understanding or lesson to be derived.
main consideration to be aware of
Focuses on awareness and thought about the consideration.
vital piece of information to digest
Stresses the importance of understanding and processing the information.
relevant item to pay attention to
Highlights the direct relevance and required attentiveness.
principal aspect for your attention
Stresses the importance and commands attention to the principal aspect.
FAQs
How can I use "key thing to note" in a sentence?
Use "key thing to note" to introduce an important detail or consideration. For instance, "The "key thing to note" is that the data was collected over a period of 10 years".
What are some alternatives to "key thing to note"?
You can use alternatives such as "important point to remember", "essential aspect to consider", or "significant detail to keep in mind" to vary your language and avoid repetition.
Is it okay to use "key thing to note" in formal writing?
Yes, "key thing to note" is suitable for both formal and informal writing, making it versatile for various contexts. Ludwig confirms that this phrase is grammatically sound and widely used.
What's the difference between "key thing to note" and "important thing to note"?
While both phrases are similar, ""key thing to note"" often implies a more critical or essential piece of information compared to "important thing to note", though they are often interchangeable.
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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
83%
Authority and reliability
4.5/5
Expert rating
Real-world application tested