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
please know that
Grammar usage guide and real-world examplesUSAGE SUMMARY
"please know that" is correct and usable in written English.
You can use it to introduce an important point or fact. For example, "Please know that the deadline for submitting the project is tomorrow."
✓ Grammatically correct
News & Media
Academia
Science
Alternative expressions(20)
be aware that
bear in mind that
take note that
please be aware that
it is important to know that
you should be aware that
keep in mind that
understand that
it's worth noting that
for your information
let it be known that
ensure that
please remark that
I can convince you that
it is recommendable that
please pass that
it is pertinent that
it is crucial that
I suggest that
please find that
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
60 human-written examples
Please know that.
News & Media
Please know that I did try.
News & Media
Please know that you revived it.
News & Media
Please know that I appreciate being invited.
News & Media
Please know that you are heard.
News & Media
Please know that everything in 'The Normal Heart' happened.
News & Media
"Wherever you are, please know that you were loved".
News & Media
Please know that history is on your side.
News & Media
Please know that she was thinking about you.
Academia
Please know that we are here for you.
Academia
Please know that this event will sell out.
Academia
Expert writing Tips
Best practice
When aiming for brevity, consider whether "note that" or "be aware that" might suffice. "Please know that" adds a touch of politeness but can sometimes be redundant.
Common error
Avoid starting multiple consecutive sentences with "please know that". Overuse can make your writing sound repetitive. Instead, vary your sentence structure by occasionally using synonyms or rephrasing to achieve a smoother flow.
Source & Trust
88%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "please know that" functions as an introductory phrase to preface a statement or provide context. According to Ludwig AI, it introduces important points or facts. It signals the speaker's intent to inform the listener or reader about something they should be aware of.
Frequent in
News & Media
49%
Academia
24%
Science
14%
Less common in
Formal & Business
8%
Wiki
0%
Encyclopedias
0%
Ludwig's WRAP-UP
In summary, "please know that" serves as a versatile phrase for introducing information with a touch of consideration. According to Ludwig AI, it's considered correct and useful for highlighting important facts. While primarily used in news, academic, and science contexts, its neutral-to-professional register makes it suitable for a variety of situations where clear and considerate communication is valued. To prevent redundancy, consider synonyms like "be aware that" and "take note that" when brevity is preferred. The phrase’s frequent appearance in authoritative sources underscores its acceptability and wide usage.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
it is important to know that
Highlights the significance of the information.
you should be aware that
Directly addresses the audience, advising them to be informed.
be aware that
More formal alternative, suitable for professional contexts.
take note that
Suggests a need to pay attention to the information provided.
keep in mind that
Similar to "bear in mind", but can be slightly less formal.
bear in mind that
Emphasizes the importance of remembering something.
understand that
Requests comprehension and acceptance of a certain fact.
it's worth noting that
Highlights something considered noteworthy or significant.
for your information
A common phrase used to introduce a piece of information.
let it be known that
A more emphatic way of introducing information, often used to convey authority.
FAQs
How can I use "please know that" in a sentence?
Use "please know that" to introduce information you want to emphasize or to convey reassurance. For example, "Please know that we are doing everything we can to resolve this issue".
What are some alternatives to "please know that"?
Alternatives include "be aware that", "bear in mind that", or "take note that". The best choice depends on the context and desired level of formality.
Is it more appropriate to use "please know that" or "please be aware that"?
"Please know that" and "please be aware that" are similar, but "please know that" might be seen as slightly more empathetic, while "please be aware that" can come across as more informational. Choose based on the tone you want to convey.
When is it better to use "note that" instead of "please know that"?
"Note that" is more concise and direct, suitable when politeness isn't the primary concern. Use "please know that" when you want to soften the delivery of information, especially if it might be unwelcome.
Editing plus AI, all in one place.
Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
88%
Authority and reliability
4.5/5
Expert rating
Real-world application tested