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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
let us know that
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "let us know that" is correct and usable in written English.
It can be used when you want someone to inform you about something specific or to confirm information. Example: "If you have any questions or concerns, please let us know that you need assistance."
✓ Grammatically correct
News & Media
Academia
Alternative expressions(20)
inform us that
notify us that
advise us that
please inform us
tell us that
update us that
report to us that
let us do that
let us have that
let us make that
let us show that
let us begin that
let us walk that
let us unpack that
let us put that
let us consider that
let us find that
let us suppose that
let us assume that
let us check 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
This young man can do anything at the piano, and he loves to let us know that.
News & Media
He let us know that wasn't acceptable".
News & Media
"It let us know that we can stop these guys.
News & Media
"Coach Saban, he definitely let us know that this team hasn't done anything yet.
News & Media
Like Nolan, Hewitt struggles to let us know that there's a character underneath the hype.
News & Media
Please let us know that they are not going into a landfill.
News & Media
The first point of the final let us know that we may be here a while.
News & Media
"He wanted to let us know that this would hurt us if it continued," Zicklin says.
News & Media
Mr Perry seems quite keen to let us know that he reads books these days.
News & Media
And if you don't want the Hyperloop, let us know that too.
News & Media
The next day, John's family called to let us know that he had died.
News & Media
Expert writing Tips
Best practice
When requesting information, be specific about what you need to know. For instance, instead of just saying "Let us know that you're coming", specify "Let us know that you're coming and what time you expect to arrive."
Common error
While "let us know that" is acceptable, it can sound too informal in highly professional or academic writing. Opt for alternatives like "inform us that" or "notify us that" in those situations.
Source & Trust
87%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "let us know that" functions as an imperative expression used to request or solicit specific information. As Ludwig AI points out, it's grammatically correct. It prompts the recipient to provide information.
Frequent in
News & Media
68%
Academia
13%
Science
6%
Less common in
Formal & Business
4%
Wiki
3%
Reference
1%
Ludwig's WRAP-UP
In summary, the phrase "let us know that" serves as a versatile tool for requesting information across various contexts. Ludwig AI confirms its grammatical correctness. While highly common in news and media, and acceptable in academic settings, more formal options like "inform us that" may be preferred in professional or scientific writing to maintain a higher degree of formality. The phrase's frequency and wide range of application highlights its importance in everyday communication, but the nuances of register should be considered for optimal impact.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
please inform us that
Adds a polite request to the notification.
tell us that
A more direct and simple way of asking for information.
inform us that
Emphasizes a more formal tone compared to the original phrase.
notify us that
Similar to 'inform', but can imply a more immediate or urgent need for communication.
advise us that
Suggests a more formal or official communication.
update us that
Focuses on providing the latest information about something.
make sure to tell us that
Highlights the importance of the notification.
keep us informed that
Implies an ongoing need for updates or communication.
communicate to us that
A slightly more formal and indirect way of asking for information.
report to us that
Suggests a structured or official process of providing information.
FAQs
How can I use "let us know that" in a sentence?
The phrase "let us know that" is used to ask someone to inform you of something. For example, "If you change your mind, "let us know that" you'll be able to attend."
What's a more formal alternative to "let us know that"?
In formal contexts, you can replace "let us know that" with phrases such as "inform us that", "notify us that", or "advise us that".
Is "let us know that" appropriate for business communication?
While acceptable, "let us know that" might be perceived as slightly informal for very high-stakes business communication. Consider using more formal alternatives like "please inform us" to maintain a professional tone.
What's the difference between "let us know that" and "tell us that"?
"Let us know that" and "tell us that" are similar, but "let us know that" often implies a sense of responsibility or a need for the information. "Tell us that" is more direct.
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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
87%
Authority and reliability
4.5/5
Expert rating
Real-world application tested