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
Let me know
Grammar usage guide and real-world examplesUSAGE SUMMARY
"Let me know" is a correct and commonly used sentence in written English.
You can use this phrase when you want someone to inform you about something or to request their input or opinion. It is a polite and indirect way of asking for information or feedback. Example: "Please let me know if you have any suggestions for improving our project proposal." In this example, the speaker is asking for the other person's ideas or opinions on how to improve the project proposal.
✓ Grammatically correct
News & Media
Encyclopedias
Alternative expressions(20)
please remind
impart to me
graciously receive
please noted
help me, please
be sure to read
I'd like to know
would you elaborate on
can you enlighten me
accompany me with
please read
please continue
can you confirm
supported me with
kindly let me ruin
please receive
kindly let me know
ease me with
please change
give some understanding
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
Let me know.
News & Media
Let me know tomorrow.
News & Media
Let me know what?
News & Media
Let me know, will you?
News & Media
Let me know, dear reader.
News & Media
"Let me know," Digger said.
News & Media
Let me know, J-Lo.
News & Media
(Let me know, if so).
News & Media
Let me know when you're ready".
News & Media
Let me know what I missed.
News & Media
Let me know in comments, below.
News & Media
Expert writing Tips
Best practice
Use "let me know" when you need a response or an update on something. It's a polite and effective way to prompt action or gather information.
Common error
While "let me know" is generally acceptable, avoid overuse in highly formal documents. Opt for more professional alternatives such as "please inform me" or "kindly advise" in those settings.
Source & Trust
93%
Authority and reliability
4.8/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "let me know" functions as an imperative, directly requesting the listener or reader to provide information. It's a polite and common way to ask for an update or confirmation, as confirmed by Ludwig AI.
Frequent in
News & Media
70%
Encyclopedias
15%
Formal & Business
5%
Less common in
Science
3%
Wiki
2%
Reference
5%
Ludwig's WRAP-UP
In summary, "let me know" is a very common and generally acceptable phrase used to request information or updates. As confirmed by Ludwig AI, it functions as an imperative, prompting a response from the listener or reader. While its register leans towards neutral, it's essential to consider the context and audience when choosing alternatives for highly formal situations. Predominantly found in news and media sources, its widespread usage makes it a versatile and effective communication tool.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
Keep me updated
Focuses on receiving ongoing information or progress reports.
Update me
Requests a summary of the current situation.
Please inform me
Emphasizes a formal request for information.
Keep me in the loop
Highlights the desire to stay informed about developments.
Tell me
A more direct and informal way of asking for information.
Notify me
A more formal term for informing someone.
Advise me
Implies seeking guidance or recommendations.
Get back to me
Emphasizes the expectation of a response at a later time.
Give me a heads up
An informal way of asking for a warning or prior notification.
Drop me a line
An informal way of asking for communication, usually written.
FAQs
What does "let me know" mean?
The phrase "let me know" is a common idiom that means to inform or tell someone something. It is a polite way of asking someone to provide you with information or an update.
How can I use "let me know" in a sentence?
You can use "let me know" in various contexts when you want someone to inform you of something. For example, "Let me know if you can attend the meeting" or "Please "let me know when" you have finished the report".
What are some alternatives to "let me know"?
Some alternatives to "let me know" include "please inform me", "keep me updated", or "advise me". The choice depends on the level of formality and the specific context.
Is it appropriate to use "let me know" in formal communication?
While "let me know" is widely used and generally acceptable, it might be considered too informal for certain professional or academic contexts. In such cases, using alternatives like "please inform me" or "kindly advise" is more appropriate.
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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
4.8/5
Expert rating
Real-world application tested