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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
we'll let you know
Grammar usage guide and real-world examplesUSAGE SUMMARY
"we'll let you know" is correct and commonly used in written English
It is typically used when someone is promising to inform the reader of something in the future. Example: "We are currently reviewing your application and we'll let you know our decision by the end of the week."
✓ Grammatically correct
News & Media
Alternative expressions(5)
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
So we'll let you know.
News & Media
And we'll let you know.
News & Media
We'll let you know when".
News & Media
We'll let you know about this.
News & Media
We'll let you know what we come up with.
News & Media
We'll let you know how that works out".
News & Media
If something substantive happens, we'll let you know".
News & Media
We'll let you know as soon as success is assured.
News & Media
We'll let you know," one of the organisers said.
News & Media
But if we see anything we'll let you know".
News & Media
If this view changes, we'll let you know.
News & Media
Expert writing Tips
Best practice
Use "we'll let you know" when you want to assure someone they will receive information in the future. Be specific about the timeframe if possible to manage expectations effectively.
Common error
While "we'll let you know" is acceptable in many situations, avoid overusing it in highly formal or professional communications. Opt for alternatives like "we will inform you" or "we will notify you" to maintain a more professional tone.
Source & Trust
89%
Authority and reliability
4.6/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "we'll let you know" functions as a promise or assurance to provide information at a later time. As Ludwig AI confirms, it's a common expression used to indicate future notification. The examples show it used in contexts ranging from business updates to personal assurances.
Frequent in
News & Media
100%
Less common in
Formal & Business
0%
Science
0%
Encyclopedias
0%
Ludwig's WRAP-UP
In summary, "we'll let you know" is a very common and correct phrase used to promise future notification. Ludwig AI confirms its validity, and the numerous examples highlight its prevalence in news and media. While generally neutral in tone, consider more formal alternatives like "we will inform you" in professional settings. Remember to manage expectations by providing a timeframe when possible, and avoid overuse in contexts demanding utmost formality.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
we will inform you
More formal and direct, suitable for professional contexts.
we will notify you
Formal and emphasizes the act of officially informing someone.
we'll keep you updated
Implies ongoing communication and regular updates.
we'll communicate the details
Emphasizes the specifics and nature of the information to be shared.
we'll get back to you
Indicates a response will be provided after a delay.
you'll hear from us
Passive construction focusing on the recipient receiving information.
the details will be shared
Passive and formal way of announcing information dissemination.
we'll be in touch
General promise of future contact, not necessarily with specific information.
we'll advise you
Suggests providing guidance or recommendations along with information.
we'll give you a heads-up
Informal, suggests providing advance warning or information.
FAQs
How can I use "we'll let you know" in a sentence?
You can use "we'll let you know" to indicate a future notification, such as, "We are reviewing your application, and "we'll let you know" the results next week."
What are some alternatives to "we'll let you know"?
Alternatives include "we will inform you", "we'll keep you updated", or "we will notify you", depending on the formality and context.
Is "we'll let you know" appropriate for professional emails?
It can be, but consider your audience. For a more formal tone, alternatives like "we will inform you" might be more suitable. "We'll let you know" is generally fine for internal communications or with familiar clients.
What's the difference between "we'll let you know" and "we'll get back to you"?
"We'll get back to you" implies a response after an inquiry or request, while "we'll let you know" is a broader promise to provide information at some point. For example, use "we'll get back to you" if someone asks a question you can't answer immediately.
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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
89%
Authority and reliability
4.6/5
Expert rating
Real-world application tested