Let me know when

USAGE SUMMARY

The part of the sentence "Let me know when" is correct and usable in written English.
You can use this phrase when you want someone to notify you of a specific event, date, or time. For example: "Let me know when you find out the result of your job interview."

✓ Grammatically correct

News & Media

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

Let me know when you're ready".

The New York Times

Let me know when you're finished.

The New Yorker

Let me know when it sinks in".

The Guardian - Film

"Let me know when the service will be".

The New Yorker

Let me know when we can catch up.

The Guardian

Let me know when you have an answer.

The Guardian - Opinion

Let me know, when I get back from Retreat a week after my vacation, if self-surging is a problem.

The New Yorker

"Let me know when you will do that, and I will advertise it," Handel said.

The New York Times - Arts

"Let me know when those two kids across the street start crying".

The New Yorker

"Let me know when they're going to get a new one," Wells said.

The New York Times - Sports

Let me know when Coke is mentioned.

TechCrunch

Expert writing Tips

Best practice

Use "Let me know when" when you need to be informed about a specific event or the completion of a task. It is suitable for both formal and informal communications.

Common error

Ensure clarity by specifying exactly what you need to be informed about. For example, instead of just saying "Let me know when", specify "Let me know when the report is ready" to avoid any confusion.

Linguistic Context

The phrase "Let me know when" functions as an imperative expression used to request information upon the occurrence of a specific event or condition. Ludwig AI confirms its grammatical correctness and usability. The phrase prompts the listener or reader to provide notification at a future point.

Expression frequency: Very common

Frequent in

News & Media

100%

Less common in

Formal & Business

0%

Science

0%

Academia

0%

Ludwig's WRAP-UP

In summary, "Let me know when" is a versatile and grammatically sound phrase used to request notification of a future event or condition. As affirmed by Ludwig AI, it’s suitable for a wide range of contexts, from informal conversations to professional communications. Its frequent appearance in news and media underscores its widespread usage. To enhance clarity, specify the exact information needed, and consider more formal alternatives like "Please inform me when" for professional settings. By understanding these nuances, you can effectively use "Let me know when" in your writing and communication.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

Let me know as soon as

Emphasizes the immediacy of the notification required.

Tell me when

A more direct and informal version of the request.

Notify me when

Uses the verb "notify" to emphasize a formal notification process.

Inform me as soon as

A formal equivalent of "Let me know as soon as".

Please inform me when

Replaces "let me know" with the more formal "please inform me", increasing the formality of the request.

Advise me when

Similar to "inform me", this emphasizes a more professional or advisory context.

Update me when

Focuses on providing an update at a specific time or upon the occurrence of an event.

Get back to me when

Implies a return communication is expected once a condition is met.

Keep me updated on when

Shifts the focus to receiving ongoing updates about the timing of an event.

Give me a heads up when

Uses a more colloquial expression, "give me a heads up", to signal an impending event.

FAQs

What is the best way to use "Let me know when" in a sentence?

Use "Let me know when" followed by a clause that specifies the event or condition you want to be notified about. For example, "Let me know when you are available for a meeting" or "Let me know when the package arrives".

Are there more formal alternatives to "Let me know when"?

Yes, more formal alternatives include "Please inform me when", "Kindly advise me when", or "Notify me when". These options are suitable for professional or academic settings.

What's the difference between "Let me know when" and "Tell me when"?

"Let me know when" is slightly more polite and common in general usage. "Tell me when" is more direct and can be used in informal settings, but could come across as demanding in certain contexts.

How can I emphasize urgency when using "Let me know when"?

To emphasize urgency, you can say "Let me know as soon as" or "Let me know immediately when". For instance, "Let me know as soon as you have any updates".