let me know

Meaning

This phrase is a polite and common way to ask someone to give you information or updates in the future. It is widely used at the end of business emails to encourage a response. It is friendly yet professional.

Examples

• Please let me know if you are free for a call tomorrow.

  Please let me know if you are free for a call tomorrow.

• Let me know when you finish the report.

  Let me know when you finish the report.

• If you have any questions, just let me know.

  If you have any questions, just let me know.

• Please let me know your thoughts on this proposal.

  Please let me know your thoughts on this proposal.

• Let me know if you need any help with the setup.

  Let me know if you need any help with the setup.

Common Mistakes

• ✗ Please let me to know your decision.

  ✓ Please let me know your decision.

  The verb 'let' is followed by an object and a bare infinitive (verb without 'to').

• ✗ Let to me know if you can come.

  ✓ Let me know if you can come.

  Do not put 'to' between 'let' and the pronoun 'me'.

Related Expressions

Practice

• Please ___ if you can attend the meeting next Monday.

  💡 Ask the person to inform you of their availability.

  Show answer

  let me know

• If the price changes, please ___ as soon as possible.

  💡 Ask to be updated about the price change.

  Show answer

  let me know