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
so you know
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase 'So you know' is correct and can be used in written English.
You can use it when you want to indicate that you are providing the listener/reader with additional information or when you want to make sure the listener/reader understands what you are saying. Example: I'm going on vacation next week, so you know, I won't be in the office.
✓ Grammatically correct
News & Media
Academia
Alternative expressions(20)
I wanted to mention
is equivalent to
in the wishes of
rapidly thereafter
for the immediate future
Very soon
somewhere later
one week before
at the early time
in the next weeks
it is important to remember
during the previous years
to avoid disruption
in accordance with direction from
a couple of books before
if not soon
as excellent as
in a flash
as instructed by the directive
as tall as
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
Just so you know.
News & Media
So, you know.
News & Media
So, you know, that's life.
News & Media
"So you know him?" "Sure.
News & Media
So, you know, pretty cool".
News & Media
Just so you know, though?
News & Media
So, you know, Hollywood connections.
Academia
So you know the story.
Academia
So, you know, right from the top".
News & Media
So, you know, I had complaints.
News & Media
So, you know, he was a powerhouse".
News & Media
Expert writing Tips
Best practice
Consider your audience; in highly formal settings, a more direct phrasing may be appropriate, but in most contexts, "so you know" is perfectly acceptable.
Common error
Avoid using "so you know" excessively in formal documents or academic papers. Opt for more concise and direct phrasing to maintain a professional tone.
Source & Trust
88%
Authority and reliability
4.6/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "so you know" primarily functions as a discourse marker, signaling the introduction of additional or clarifying information. Ludwig AI's examples show it smoothly integrates supplementary details into a conversation or written text. It serves to ensure the listener or reader is fully informed.
Frequent in
News & Media
60%
Academia
25%
Science
5%
Less common in
Formal & Business
3%
Wiki
2%
Reference
1%
Ludwig's WRAP-UP
In summary, the phrase "so you know" is a common and grammatically sound way to introduce additional information or clarifications. Ludwig AI confirms its widespread use in various contexts, especially in news and media. While it is generally acceptable, it is best to avoid using it in highly formal or academic writing where more direct phrasing is preferred. By understanding its function and register, you can effectively use "so you know" to enhance communication while maintaining an appropriate tone.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
Just to let you know
Emphasizes the act of informing someone.
Just so you're aware
More formal and direct, suitable when informing someone of a fact.
So you're informed
Similar to 'just so you're aware' but slightly less common.
In case you didn't know
Highlights a potential lack of prior knowledge.
Keep in mind
Encourages consideration of a particular fact.
For your information
Very direct and can sometimes sound slightly confrontational.
Take note
A directive to pay attention to important information.
For the record
Used to ensure something is officially noted.
Bear in mind
A reminder to consider a particular fact.
As you should know
Implies that the listener should already be aware.
FAQs
How can I rephrase "so you know" to sound more formal?
Consider using phrases like "for your information", "please be advised", or "it should be noted" in formal contexts.
Is "so you know" appropriate for academic writing?
While grammatically correct, "so you know" may be too informal for strict academic writing. More formal alternatives might be preferable to maintain the required tone.
What's the difference between "so you know" and "as you know"?
"So you know" introduces new or additional information, whereas "as you know" refers to information the speaker assumes the listener already possesses.
When is it best to use "so you know" in conversation?
Use "so you know" when you want to casually add a relevant detail or ensure the listener understands a particular point without sounding condescending.
Editing plus AI, all in one place.
Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
88%
Authority and reliability
4.6/5
Expert rating
Real-world application tested