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Excel ISBLANK Function

The ISBLANK function returns TRUE if a cell is empty or blank and FALSE otherwise.

isblank function 1


Syntax

=ISBLANK(value)


Arguments

  • value (required): The value you want to test if it’s blank or not.

Return Value

The ISBLANK function returns TRUE or FALSE.


Function Notes

  • ISBLANK only returns TRUE if value contains nothing at all. If value is a reference to the cell that contains spaces, apostrophes or other non-printing characters that makes the cell look blank; or value is a formula that returns an empty string (""), ISBLANK will return FALSE.

Example

Take the table below as an example. To test the values listed in the table, please copy or enter the formula below in the top cell, press Enter to get the result, and then drag the fill handle (at the lower right corner of the result cell) down to apply the formula to below cells.

=ISBLANK(B3)

isblank function 2


Related functions

Excel ISERR Function

The ISERR function returns TRUE for any error type (except #N/A) and FALSE otherwise.

Excel ISERROR Function

The ISERROR function returns TRUE for any error type and FALSE otherwise.

Excel ISLOGICAL Function

The ISLOGICAL function returns TRUE for a logical value and FALSE otherwise.

Excel ISNA Function

The ISNONTEXT function returns TRUE for the #N/A error value and FALSE otherwise.

Excel ISNONTEXT Function

The ISNONTEXT function returns TRUE for a value that is not text and FALSE otherwise.

Excel ISNUMBER Function

The ISNUMBER function returns TRUE for a number and FALSE otherwise.

Excel ISREF Function

The ISREF function returns TRUE for a reference and FALSE otherwise.

Excel ISTEXT Function

The ISTEXT function returns TRUE for a value that is text and FALSE otherwise.


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