just so you know

USAGE SUMMARY

The phrase "just so you know" is correct and is commonly used in written English.
It is a polite way of alerting the person you are speaking with to a piece of potentially relevant information. For example, "Just so you know, I need to leave by 5 o'clock today."

✓ Grammatically correct

News & Media

Wiki

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

"Just so you know, I can't be your friend," she says, knowing where closeness could lead.

The New Yorker

Just so you know.

The New York Times

Just so you know, though?

The New Yorker

Just so you know up front.

The New York Times

"Just so you know?" he said.

The New York Times - Food

Just so you know for next time".

The New York Times

4.47pm GMT Just so you know.

The Guardian - Sport

It doesn't work, just so you know.

The Guardian - Opinion

Just so you know they're all different.

The Guardian

"Just so you know," she'd told him.

The New Yorker

"I'm going to say M.I.A., just so you know".

The New Yorker

Expert writing Tips

Best practice

Use "just so you know" to casually introduce important context or a relevant detail that the listener or reader should be aware of. It's useful for setting expectations or providing background information.

Common error

Avoid using "just so you know" excessively in a single conversation or piece of writing. Overuse can make your communication sound condescending or as though you're constantly trying to assert authority.

Linguistic Context

The phrase "just so you know" functions as a discourse marker. It introduces information the speaker believes the listener should be aware of. Ludwig provides many examples showcasing its usage in diverse contexts. The phrase serves to alert, inform, or provide context for what follows.

Expression frequency: Very common

Frequent in

News & Media

79%

Wiki

12%

Formal & Business

9%

Less common in

Encyclopedias

0%

Science

0%

Reference

0%

Ludwig's WRAP-UP

In summary, "just so you know" is a common phrase used to introduce relevant information or provide a heads-up, as validated by Ludwig's AI analysis and numerous examples. The phrase is generally neutral to informal and is widely used in news and media, though it can be adapted for more formal contexts with alternatives. Remember to use it judiciously to avoid sounding condescending and to ensure clear and effective communication. Ludwig's comprehensive examples provide a great guide on how to use the phrase effectively.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

Just a heads up

Provides a warning or preliminary information.

For your information

This alternative provides information directly, similar to giving a heads-up.

So you are aware

Emphasizes ensuring the listener is informed about something.

In case you didn't know

Implies the information might be new to the listener.

I should mention

Introduces a piece of information that the speaker deems important to add.

FYI

An abbreviation for 'For Your Information', used to introduce relevant data.

Letting you know

Highlights the act of informing someone about something.

Bear in mind

Suggests keeping something in consideration.

Take note

Emphasizes the importance of remembering something.

For the record

Indicates that the information is being stated for official purposes or clarity.

FAQs

How can I use "just so you know" in a sentence?

You can use "just so you know" to preface information you think the listener should be aware of. For example, "Just so you know, the meeting has been rescheduled for tomorrow" or "Just so you know, I need to leave early today".

What's a more formal alternative to "just so you know"?

For a more formal setting, consider using phrases like "for your information" or "so you are aware". These alternatives convey the same information but with a more professional tone.

Is it appropriate to use "just so you know" in professional emails?

Yes, but use it sparingly. In emails, "just so you know" can come across as too casual. In many situations it's more polite to use alternatives such as "please be advised" or "kindly note" depending on the formality of your workplace.

What is the difference between "just so you know" and "as you know"?

"Just so you know" introduces new or potentially unknown information to the listener. "As you know", on the other hand, is used to refer to something the speaker assumes the listener is already aware of. Using them interchangeably may lead to confusion or appear condescending.