# ISBLANK Function – Google Sheets

## ISBLANK Function Summary

### Function Type: Info

Google Sheets ISBLANK function returns either a TRUE value or FALSE value if the referenced cell is blank or empty. The ISBLANK function expects only one referenced cell.

## ISBLANK Purpose

ISBLANK is a function that is typically used in formulas. Many formulas are designed to return different values depending if a specific cell is blank or not.

## ISBLANK Syntax

### Elements of the function

``=ISBLANK(value)``
• Function name
• value- [Required] The reference cell to return a boolean function depending upon the reference cell containing content

### Arguments of the function

The ISBLANK function returns either a TRUE or FALSE value depending if the referenced cell has contents.

## ISBLANK Notes

• Even a cell containing only a space, may appear empty, but ISBLANK will return a FALSE value.
• Commonly used with IF formulas to prevent returning an error if not all necessary variables are entered for a formula to produce the desired value.
• Even if a cell contains an error ISBLANK will recognize this as a nonempty cell and return FALSE.

### Related Functions

• `IF`: Returns one value if a logical expression is `TRUE` and another if it is `FALSE`.
• `ISTEXT`: Checks whether a value is text.
• `ISREF`: Checks whether a value is a valid cell reference.
• `ISNUMBER`: Checks whether a value is a number.
• `ISNONTEXT`: Checks whether a value is non-textual.
• `ISNA`: Checks whether a value is the error `#N/A`.
• `ISLOGICAL`: Checks whether a value is `TRUE` or `FALSE`.
• `ISERROR`: Checks whether a value is an error.
• `ISERR`: Checks whether a value is an error other than `#N/A`.