---
title: "ISBLANK function in Excel: syntax and examples | PracticeExcel"
description: "How to use ISBLANK in Excel and Google Sheets: test for empty cells, usually inside IF."
canonical_url: "https://practiceexcelonline.com/functions/isblank"
locale: en
meta:
  "og:description": "How to use ISBLANK in Excel and Google Sheets: test for empty cells, usually inside IF."
  "og:image": "https://practiceexcelonline.com/_og/d/c_Page%2Ctitle_~SVNCTEFOSyBmdW5jdGlvbiBpbiBFeGNlbDogc3ludGF4IGFuZCBleGFtcGxlcw%2Cdescription_~SG93IHRvIHVzZSBJU0JMQU5LIGluIEV4Y2VsIGFuZCBHb29nbGUgU2hlZXRzOiB0ZXN0IGZvciBlbXB0eSBjZWxscywgdXN1YWxseSBpbnNpZGUgSUYu%2Ceyebrow_Excel%2Bfunctions%2Csite_practiceexcel%2Ccode_ISBLANK(value)%2Cp_Ii9mdW5jdGlvbnMvaXNibGFuayI%2Cs_3qv_NqdaG0V01lVM.png"
  "og:image:height": "600"
  "og:image:type": image/png
  "og:image:width": "1200"
  "og:title": "ISBLANK function in Excel: syntax and examples | PracticeExcel"
  "twitter:image": "https://practiceexcelonline.com/_og/d/c_Page%2Ctitle_~SVNCTEFOSyBmdW5jdGlvbiBpbiBFeGNlbDogc3ludGF4IGFuZCBleGFtcGxlcw%2Cdescription_~SG93IHRvIHVzZSBJU0JMQU5LIGluIEV4Y2VsIGFuZCBHb29nbGUgU2hlZXRzOiB0ZXN0IGZvciBlbXB0eSBjZWxscywgdXN1YWxseSBpbnNpZGUgSUYu%2Ceyebrow_Excel%2Bfunctions%2Csite_practiceexcel%2Ccode_ISBLANK(value)%2Cp_Ii9mdW5jdGlvbnMvaXNibGFuayI%2Cs_3qv_NqdaG0V01lVM.png"
---

> Index of every page on this site: [llms.txt](https://practiceexcelonline.com/llms.txt)

# **The ISBLANK function**

Returns TRUE when a cell is empty. A cell with a formula that returns "" is not empty.

=

ISBLANK(

## **Syntax**

```
ISBLANK(value)
```

<dl><dt>**value **</dt>
<dd>The cell to check.</dd></dl>

## **Examples**

C1=ISBLANK(A5)

|  | A | B | C |
| --- | --- | --- | --- |
| 1 | Units |  | **TRUE** |
| 2 | 4 |  | |
| 3 | n/a |  | |
| 4 | 7 |  | |
| 5 |  |  | |
| 6 | 2 |  | |

C1=ISBLANK(A3)

|  | A | B | C |
| --- | --- | --- | --- |
| 1 | Units |  | **FALSE** |
| 2 | 4 |  | |
| 3 | n/a |  | |
| 4 | 7 |  | |
| 5 |  |  | |
| 6 | 2 |  | |

## **Read the guide**

- [**Excel IF formulas: from one condition to many**](https://practiceexcelonline.com/learn/excel-if-function)

## **Related functions**

- [**COUNTBLANK**](https://practiceexcelonline.com/functions/countblank)
- [**IF**](https://practiceexcelonline.com/functions/if)
- [**NOT**](https://practiceexcelonline.com/functions/not)

```json
{"@context":"https://schema.org","@graph":[{"@id":"https://practiceexcelonline.com/#identity","@type":"Organization","name":"PracticeExcel","url":"https://practiceexcelonline.com/","logo":{"@id":"https://practiceexcelonline.com/#logo"}},{"@id":"https://practiceexcelonline.com/#website","@type":"WebSite","inLanguage":"en-US","name":"PracticeExcel","url":"https://practiceexcelonline.com/","alternateName":["Practice Excel Online","PracticeExcelOnline.com"],"publisher":{"@id":"https://practiceexcelonline.com/#identity"},"workTranslation":{"@id":"https://excelopgaver.dk/#website"}},{"@id":"https://practiceexcelonline.com/functions/isblank#webpage","@type":"WebPage","description":"How to use ISBLANK in Excel and Google Sheets: test for empty cells, usually inside IF.","name":"ISBLANK function in Excel: syntax and examples","url":"https://practiceexcelonline.com/functions/isblank","breadcrumb":{"@id":"https://practiceexcelonline.com/functions/isblank#breadcrumb"},"isPartOf":{"@id":"https://practiceexcelonline.com/#website"},"potentialAction":[{"@type":"ReadAction","target":["https://practiceexcelonline.com/functions/isblank"]}],"primaryImageOfPage":{"@id":"https://practiceexcelonline.com/#logo"}},{"@id":"https://practiceexcelonline.com/functions/isblank#breadcrumb","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","name":"Home","item":"https://practiceexcelonline.com","position":1},{"@type":"ListItem","name":"Excel functions","item":"https://practiceexcelonline.com/functions","position":2},{"@type":"ListItem","name":"ISBLANK function in Excel: syntax and examples","position":3}]},{"@id":"https://practiceexcelonline.com/functions/isblank#article","description":"How to use ISBLANK in Excel and Google Sheets: test for empty cells, usually inside IF.","headline":"ISBLANK function in Excel: syntax and examples","inLanguage":"en-US","thumbnailUrl":"https://practiceexcelonline.com/_og/d/c_Page%2Ctitle_~SVNCTEFOSyBmdW5jdGlvbiBpbiBFeGNlbDogc3ludGF4IGFuZCBleGFtcGxlcw%2Cdescription_~SG93IHRvIHVzZSBJU0JMQU5LIGluIEV4Y2VsIGFuZCBHb29nbGUgU2hlZXRzOiB0ZXN0IGZvciBlbXB0eSBjZWxscywgdXN1YWxseSBpbnNpZGUgSUYu%2Ceyebrow_Excel%2Bfunctions%2Csite_practiceexcel%2Ccode_ISBLANK(value)%2Cp_Ii9mdW5jdGlvbnMvaXNibGFuayI%2Cs_3qv_NqdaG0V01lVM.png","@type":["Article","TechArticle"],"author":{"@id":"https://practiceexcelonline.com/#identity"},"image":{"@id":"https://practiceexcelonline.com/#/schema/image/1"},"isPartOf":{"@id":"https://practiceexcelonline.com/functions/isblank#webpage"},"mainEntityOfPage":{"@id":"https://practiceexcelonline.com/functions/isblank#webpage"},"publisher":{"@id":"https://practiceexcelonline.com/#identity"}},{"@id":"https://practiceexcelonline.com/#logo","@type":"ImageObject","caption":"PracticeExcel","contentUrl":"https://practiceexcelonline.com/brand/practiceexcel/icon-512.png","inLanguage":"en-US","url":"https://practiceexcelonline.com/brand/practiceexcel/icon-512.png"},{"@id":"https://practiceexcelonline.com/#/schema/image/1","@type":"ImageObject","contentUrl":"https://practiceexcelonline.com/_og/d/c_Page%2Ctitle_~SVNCTEFOSyBmdW5jdGlvbiBpbiBFeGNlbDogc3ludGF4IGFuZCBleGFtcGxlcw%2Cdescription_~SG93IHRvIHVzZSBJU0JMQU5LIGluIEV4Y2VsIGFuZCBHb29nbGUgU2hlZXRzOiB0ZXN0IGZvciBlbXB0eSBjZWxscywgdXN1YWxseSBpbnNpZGUgSUYu%2Ceyebrow_Excel%2Bfunctions%2Csite_practiceexcel%2Ccode_ISBLANK(value)%2Cp_Ii9mdW5jdGlvbnMvaXNibGFuayI%2Cs_3qv_NqdaG0V01lVM.png","inLanguage":"en-US","url":"https://practiceexcelonline.com/_og/d/c_Page%2Ctitle_~SVNCTEFOSyBmdW5jdGlvbiBpbiBFeGNlbDogc3ludGF4IGFuZCBleGFtcGxlcw%2Cdescription_~SG93IHRvIHVzZSBJU0JMQU5LIGluIEV4Y2VsIGFuZCBHb29nbGUgU2hlZXRzOiB0ZXN0IGZvciBlbXB0eSBjZWxscywgdXN1YWxseSBpbnNpZGUgSUYu%2Ceyebrow_Excel%2Bfunctions%2Csite_practiceexcel%2Ccode_ISBLANK(value)%2Cp_Ii9mdW5jdGlvbnMvaXNibGFuayI%2Cs_3qv_NqdaG0V01lVM.png"}]}
```

## Sitemap

See the full [sitemap](https://practiceexcelonline.com/sitemap.md) for all pages.