Meaning of the word "as far as I can tell" in English

What does "as far as I can tell" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

as far as I can tell

US /æz fɑr æz aɪ kæn tɛl/
UK /æz fɑːr æz aɪ kæn tɛl/

Phrase

used to say that you are stating something that you believe to be true, based on the information you have

Example:
As far as I can tell, everything is going according to plan.
He hasn't called, so as far as I can tell, he's not coming.