You know what vs You see

When to use each in English, with meaning, register, and examples.

You know what

Informal Top 5,000 (fairly common)

You see

Top 2,000 (common)

Most formal: You see Most common: You see

	You know what	You see
Pronunciation	🇬🇧 //juː nəʊ wɒt// 🇺🇸 //juː noʊ wət//	🇬🇧 //juː siː// 🇺🇸 //ju si//
Meaning	a phrase used to show understanding or agreement	You notice or perceive something.
Example	I think we should go with the first option, you know what?	You see the stars shining brightly in the night sky.
Register	Informal	Neutral
How common	Top 5,000 (fairly common)	Top 2,000 (common)
Collocations	you know what I mean, you know what I think, you know what to do	you see what's happening, you see that, can you see, I see you, you see it clearly
Antonyms	You don't know, You have no idea, You aren't aware, You are clueless	-
Common mistakes	Using it in formal contexts where a more formal phrase is required., Confusing it with other phrases that don't convey agreement., Not using the right tone, which can make it sound sarcastic.	Using 'you see' without context., Confusing with 'do you see'., Overusing in written communication.
Usage notes	Often used in conversations to confirm common knowledge or agreement. Best in casual contexts, avoid in formal writing.	Used to indicate understanding or realization. Common in spoken English, but less formal in writing. Avoid in very formal contexts.

See it in real clips

... you know what I realize?

House Of Dragons › S1 E1

Do you know what it is?

... you know what I realize?

House Of Dragons › S1 E1

Do you know what it is?

You know what

Agatha Christies Poirot › S1 E1

Do you see?

Breaking Bad › S1 E2

You see, hydrofluoric acid won't eat through plastic.

Breaking Bad › S1 E4

that's persistence, you see?

Agatha Christies Poirot › S1 E1

Do you see?

Breaking Bad › S1 E2

You see, hydrofluoric acid won't eat through plastic.

You see

Frequently asked questions: You know what vs You see

What's the difference between You know what and You see?

You know what: a phrase used to show understanding or agreement You see: You notice or perceive something.

Which is more formal: You know what and You see?

You see is the most formal of these.

Which is more common: You know what and You see?

You see is the most common in everyday English.

Can you show an example of each?

You know what: I think we should go with the first option, you know what? You see: You see the stars shining brightly in the night sky.

Can I use You know what and You see interchangeably?

Not always. You know what and You see are related and overlap in some contexts, but they differ in register, how common they are, and usage, so swapping one for another can change the meaning or tone. Check the differences above before substituting.