as far as I know

Meaning

This expression is used to say that you believe something is true, but you cannot be absolutely certain because you might not have all the facts. It is a polite way to share information while acknowledging that your knowledge has limits. It is very common in both spoken and written English.

Examples

• As far as I know, the meeting is still scheduled for Tuesday.

  As far as I know, the meeting is still scheduled for Tuesday.

• She has never been to Europe before, as far as I know.

  She has never been to Europe before, as far as I know.

• As far as I know, the library closes at eight tonight.

  As far as I know, the library closes at eight tonight.

• There are no major delays on the highway, as far as I know.

  There are no major delays on the highway, as far as I know.

• As far as I know, he still lives in the same apartment.

  As far as I know, he still lives in the same apartment.

Common Mistakes

• ✗ So far as I know, the shop is closed.

  ✓ As far as I know, the shop is closed.

  While 'so far as I know' is occasionally used, 'as far as I know' is much more common and natural in modern English.

• ✗ As far as I concern, the plan is good.

  ✓ As far as I know, the plan is good.

  'As far as I know' relates to information/knowledge, whereas 'as far as I'm concerned' relates to personal opinions.

Related Expressions

Practice

• ___, there is no homework due tomorrow.

  💡 Use the expression that indicates limited knowledge.

  Show answer

  As far as I know

• They are still planning to move to Canada, ___.

  💡 Keep it in lowercase.

  Show answer

  as far as I know