# How to use PERCENTILE.INC Function in Excel

The Excel PERCENTILE.INC function calculates the “kth percentile” for a set of data where k is 0 to 1, inclusive. A percentile is a value below which a given percentage of values in a data set fall. You can use PERCENTILE.INC to determine the 90th percentile, the 80th percentile, etc.

Syntax:= PERCENTILE.INC(array,k)

The PERCENTILE.INC function syntax has the following arguments:

• Array     Required. The array or range of data that defines relative standing.
• K     Required. The percentile value in the range 0..1, inclusive.

Example: Let’s look at some Excel PERCENTILE.INC function examples and explore how to use the PERCENTILE.INC function as a worksheet function in Microsoft Excel: Syntax:  =PERCENTILE.INC(B2:B17,C2)

Result: 9.25 Based on the Excel spreadsheet above, the following PERCENTILE.INC examples would return:

Syntax: =PERCENTILE.INC(B2:B17,C2)
Result: 8.5

Syntax: =PERCENTILE.INC(B2:B17,C4)
Result: 8.5

Syntax: =PERCENTILE.INC(B2:B17,C5)
Result: 8.4

Syntax: =PERCENTILE.INC(B2:B17,C6)
Result: 8.1

Syntax: =PERCENTILE.INC(B2:B17,C7)
Result: 7.15

Syntax: =PERCENTILE.INC(B2:B17,C8)
Result: #NUM!

Note:

• If array is empty, PERCENTILE.INC returns the #NUM! error value.
• If k is nonnumeric, PERCENTILE.INC returns the #VALUE! error value.
• If k is < 0 or if k > 1, PERCENTILE.INC returns the #NUM! error value.
• If k is not a multiple of 1/(n – 1), PERCENTILE.INC interpolates to determine the value at the k-th percentile.

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