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"determine whether" vs "determine if"

Both 'determine if' and 'determine whether' are correct and commonly used in English. They are interchangeable and can be used in the same contexts.

Last Updated: March 08, 2024

determine whether

This phrase is correct and commonly used in English.

This phrase is used when you want to establish if something is true or not.

Examples:

  • We need to determine whether the plan is viable.
  • Can you determine whether the data is reliable?

Alternatives:

  • decide whether
  • establish whether
  • ascertain whether
  • check whether
  • verify whether

determine if

This phrase is correct and commonly used in English.

This phrase is used when you want to find out whether something is true or not.

Examples:

  • Please determine if the information is accurate.
  • I need to determine if the project is feasible.

Alternatives:

  • decide if
  • establish if
  • ascertain if
  • check if
  • verify if

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