ISNUMBER function

This function will test if a value is numerical and return TRUE if it is a number and FALSE if it’s not.
 

Syntax

 
ISNUMBER(Value)

  • Value (required) – This is the value you want to test if it’s a number.

 

Example

 
In this example we test a few values. Notice the date is still a number even though it is formatted with a dash to separate the year, month and day.
 

=ISNUMBER(A2)

ISNUMBER

About the Author

John MacDougall

John MacDougall

John is a Microsoft MVP and freelance consultant and trainer specializing in Excel, Power BI, Power Automate, Power Apps and SharePoint. You can find other interesting articles from John on his blog or YouTube channel.

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