"Not that I know of" vs "Not that I know about"

Question

"Not that I know of" vs "Not that I know about"

Both phrases are correct, but they are used in different contexts. 'Not that I know of' is commonly used to indicate that the speaker is not aware of something, while 'Not that I know about' is less common and may sound awkward to native speakers. It's better to use 'Not that I know of' when expressing lack of knowledge.

Last Updated: March 22, 2024

This phrase is used to indicate that the speaker is not aware of something or has no information about it.

Examples:

I don't think she's coming, not that I know of.
Is the meeting canceled? Not that I know of.
Are they dating? Not that I know of.
Did you hear about the new project? Not that I know of.
Have they arrived yet? Not that I know of.

Alternatives:

as far as I know
to the best of my knowledge
to my knowledge
from what I know
to the best of my recollection

This phrase can be used to express lack of knowledge, but it is less commonly used than 'Not that I know of.'

Alternatives:

not that I know of
as far as I know
to the best of my knowledge
to my knowledge
from what I know

Answer 1

Not that I know of

This phrase is correct and commonly used to express lack of knowledge about something.

Answer 2

Not that I know about

This phrase is correct but less common. It may sound awkward to native speakers.

"Not that I know of" vs "Not that I know about"

Not that I know of

Not that I know about

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