QUARTILE.INC Function in Excel: Split Data Into Quarters

⏱ 1 min readUpdated 28 September 2026

StatisticsLevel: IntermediateAvailable in: Excel 2010+

In this article
  1. Syntax
  2. Examples
  3. Example 1
  4. Example 2
  5. Related functions

QUARTILE.INC returns the minimum, the 25th, 50th or 75th percentile, or the maximum. It is the fastest way to see whether a salary band or sales spread is lopsided.

Syntax

=QUARTILE.INC(array, quart)
Argument What it means
quart 0 = min, 1 = Q1, 2 = median, 3 = Q3, 4 = max.

Examples

Example 1

=QUARTILE.INC(D2:D300, 3) - QUARTILE.INC(D2:D300, 1)

Interquartile range (IQR).

Example 2

=D2 > QUARTILE.INC($D$2:$D$300,3) + 1.5*IQR

Flag outliers, with IQR in a named cell.

PERCENTILE.INC · MEDIAN

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