---
title: "STDEV.P function in Excel: syntax and examples | PracticeExcel"
description: "How to use STDEV.P in Excel and Google Sheets: the standard deviation of a whole population, and how it differs from STDEV.S."
canonical_url: "https://practiceexcelonline.com/functions/stdev-p"
locale: en
meta:
  "og:description": "How to use STDEV.P in Excel and Google Sheets: the standard deviation of a whole population, and how it differs from STDEV.S."
  "og:image": "https://practiceexcelonline.com/_og/d/c_Page%2Ctitle_~U1RERVYuUCBmdW5jdGlvbiBpbiBFeGNlbDogc3ludGF4IGFuZCBleGFtcGxlcw%2Cdescription_~SG93IHRvIHVzZSBTVERFVi5QIGluIEV4Y2VsIGFuZCBHb29nbGUgU2hlZXRzOiB0aGUgc3RhbmRhcmQgZGV2aWF0aW9uIG9mIGEgd2hvbGUgcG9wdWxhdGlvbiwgYW5kIGhvdyBpdCBkaWZmZXJzIGZyb20gU1RERVYuUy4%2Ceyebrow_Excel%2Bfunctions%2Csite_practiceexcel%2Ccode_~U1RERVYuUChudW1iZXIxLCBbbnVtYmVyMl0sIC4uLik%2Cp_Ii9mdW5jdGlvbnMvc3RkZXYtcCI%2Cs_ipt3UjoXncUpiS6x.png"
  "og:image:height": "600"
  "og:image:type": image/png
  "og:image:width": "1200"
  "og:title": "STDEV.P function in Excel: syntax and examples | PracticeExcel"
  "twitter:image": "https://practiceexcelonline.com/_og/d/c_Page%2Ctitle_~U1RERVYuUCBmdW5jdGlvbiBpbiBFeGNlbDogc3ludGF4IGFuZCBleGFtcGxlcw%2Cdescription_~SG93IHRvIHVzZSBTVERFVi5QIGluIEV4Y2VsIGFuZCBHb29nbGUgU2hlZXRzOiB0aGUgc3RhbmRhcmQgZGV2aWF0aW9uIG9mIGEgd2hvbGUgcG9wdWxhdGlvbiwgYW5kIGhvdyBpdCBkaWZmZXJzIGZyb20gU1RERVYuUy4%2Ceyebrow_Excel%2Bfunctions%2Csite_practiceexcel%2Ccode_~U1RERVYuUChudW1iZXIxLCBbbnVtYmVyMl0sIC4uLik%2Cp_Ii9mdW5jdGlvbnMvc3RkZXYtcCI%2Cs_ipt3UjoXncUpiS6x.png"
---

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

# **The STDEV.P function**

Returns the standard deviation of a whole population, for when your data is every value there is and not a sample.

=

STDEV.P(

## **Syntax**

```
STDEV.P(number1, [number2], ...)
```

<dl><dt>**number1 **</dt>
<dd>The first number or range in the population.</dd>
<dt>**number2, ... **(optional)</dt>
<dd>More numbers or ranges, up to 255 in all.</dd></dl>

## **Examples**

D1=STDEV.P(B2:B6)

|  | A | B | C | D |
| --- | --- | --- | --- | --- |
| 1 | Day | Sales |  | **20.59126028** |
| 2 | Mon | 120 |  | |
| 3 | Tue | 95 |  | |
| 4 | Wed | 140 |  | |
| 5 | Thu | 110 |  | |
| 6 | Fri | 80 |  | |

B1=STDEV.P(2,4,4,4,5,5,7,9)

|  | A | B |
| --- | --- | --- |
| 1 |  | **2** |

## **Questions**

<details>

<summary>

### Why is STDEV.P smaller than STDEV.S on the same data?

</summary>

STDEV.P divides by the number of values, STDEV.S by one less. The difference is large for a handful of values and shrinks as the data grows.

</details>

<details>

<summary>

### Is STDEV.P the same as STDEVP?

</summary>

Yes. STDEVP is the older name and gives the same result.

</details>

## **Related functions**

- [**STDEV.S**](https://practiceexcelonline.com/functions/stdev-s)
- [**AVERAGE**](https://practiceexcelonline.com/functions/average)
- [**MEDIAN**](https://practiceexcelonline.com/functions/median)

```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/stdev-p#webpage","description":"How to use STDEV.P in Excel and Google Sheets: the standard deviation of a whole population, and how it differs from STDEV.S.","name":"STDEV.P function in Excel: syntax and examples","url":"https://practiceexcelonline.com/functions/stdev-p","@type":["WebPage","FAQPage"],"breadcrumb":{"@id":"https://practiceexcelonline.com/functions/stdev-p#breadcrumb"},"isPartOf":{"@id":"https://practiceexcelonline.com/#website"},"mainEntity":[{"@id":"https://practiceexcelonline.com/functions/stdev-p#/schema/question/1"},{"@id":"https://practiceexcelonline.com/functions/stdev-p#/schema/question/2"}],"potentialAction":[{"@type":"ReadAction","target":["https://practiceexcelonline.com/functions/stdev-p"]}],"primaryImageOfPage":{"@id":"https://practiceexcelonline.com/#logo"}},{"@id":"https://practiceexcelonline.com/functions/stdev-p#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":"STDEV.P function in Excel: syntax and examples","position":3}]},{"@id":"https://practiceexcelonline.com/functions/stdev-p#article","description":"How to use STDEV.P in Excel and Google Sheets: the standard deviation of a whole population, and how it differs from STDEV.S.","headline":"STDEV.P function in Excel: syntax and examples","inLanguage":"en-US","thumbnailUrl":"https://practiceexcelonline.com/_og/d/c_Page%2Ctitle_~U1RERVYuUCBmdW5jdGlvbiBpbiBFeGNlbDogc3ludGF4IGFuZCBleGFtcGxlcw%2Cdescription_~SG93IHRvIHVzZSBTVERFVi5QIGluIEV4Y2VsIGFuZCBHb29nbGUgU2hlZXRzOiB0aGUgc3RhbmRhcmQgZGV2aWF0aW9uIG9mIGEgd2hvbGUgcG9wdWxhdGlvbiwgYW5kIGhvdyBpdCBkaWZmZXJzIGZyb20gU1RERVYuUy4%2Ceyebrow_Excel%2Bfunctions%2Csite_practiceexcel%2Ccode_~U1RERVYuUChudW1iZXIxLCBbbnVtYmVyMl0sIC4uLik%2Cp_Ii9mdW5jdGlvbnMvc3RkZXYtcCI%2Cs_ipt3UjoXncUpiS6x.png","@type":["Article","TechArticle"],"author":{"@id":"https://practiceexcelonline.com/#identity"},"image":{"@id":"https://practiceexcelonline.com/#/schema/image/1"},"isPartOf":{"@id":"https://practiceexcelonline.com/functions/stdev-p#webpage"},"mainEntityOfPage":{"@id":"https://practiceexcelonline.com/functions/stdev-p#webpage"},"publisher":{"@id":"https://practiceexcelonline.com/#identity"}},{"@id":"https://practiceexcelonline.com/functions/stdev-p#/schema/question/1","@type":"Question","inLanguage":"en-US","name":"Why is STDEV.P smaller than STDEV.S on the same data?","acceptedAnswer":{"@type":"Answer","text":"STDEV.P divides by the number of values, STDEV.S by one less. The difference is large for a handful of values and shrinks as the data grows."}},{"@id":"https://practiceexcelonline.com/functions/stdev-p#/schema/question/2","@type":"Question","inLanguage":"en-US","name":"Is STDEV.P the same as STDEVP?","acceptedAnswer":{"@type":"Answer","text":"Yes. STDEVP is the older name and gives the same result."}},{"@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_~U1RERVYuUCBmdW5jdGlvbiBpbiBFeGNlbDogc3ludGF4IGFuZCBleGFtcGxlcw%2Cdescription_~SG93IHRvIHVzZSBTVERFVi5QIGluIEV4Y2VsIGFuZCBHb29nbGUgU2hlZXRzOiB0aGUgc3RhbmRhcmQgZGV2aWF0aW9uIG9mIGEgd2hvbGUgcG9wdWxhdGlvbiwgYW5kIGhvdyBpdCBkaWZmZXJzIGZyb20gU1RERVYuUy4%2Ceyebrow_Excel%2Bfunctions%2Csite_practiceexcel%2Ccode_~U1RERVYuUChudW1iZXIxLCBbbnVtYmVyMl0sIC4uLik%2Cp_Ii9mdW5jdGlvbnMvc3RkZXYtcCI%2Cs_ipt3UjoXncUpiS6x.png","inLanguage":"en-US","url":"https://practiceexcelonline.com/_og/d/c_Page%2Ctitle_~U1RERVYuUCBmdW5jdGlvbiBpbiBFeGNlbDogc3ludGF4IGFuZCBleGFtcGxlcw%2Cdescription_~SG93IHRvIHVzZSBTVERFVi5QIGluIEV4Y2VsIGFuZCBHb29nbGUgU2hlZXRzOiB0aGUgc3RhbmRhcmQgZGV2aWF0aW9uIG9mIGEgd2hvbGUgcG9wdWxhdGlvbiwgYW5kIGhvdyBpdCBkaWZmZXJzIGZyb20gU1RERVYuUy4%2Ceyebrow_Excel%2Bfunctions%2Csite_practiceexcel%2Ccode_~U1RERVYuUChudW1iZXIxLCBbbnVtYmVyMl0sIC4uLik%2Cp_Ii9mdW5jdGlvbnMvc3RkZXYtcCI%2Cs_ipt3UjoXncUpiS6x.png"}]}
```

## Sitemap

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