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PERCENTILE.EXC

Quirk found

Category: Statistical · Last tested 2026-09-01

Real compatibility results for the PERCENTILE.EXC function: executed in Excel for the web, Google Sheets and LibreOffice Calc, with desktop Excel behavior from Microsoft’s official documentation (we do not run desktop Excel — Excel for the web is a different application and is executed separately). Syntax and links to that documentation are below.

Support matrix

EngineDocumentedLive-testedVerdict
Excel (desktop)Yes No — documented only n/a
Excel for the web— Yes (recalc, 2026-09-01) Supported, behaves as documented
Google SheetsYes Yes (Drive import, 2026-08-29) Supported, behaves as documented
LibreOffice CalcYes Yes (25.8.7.3, 2026-07-29) Quirk found

LibreOffice version history

We executed the same test cases under each LibreOffice release to show exactly when PERCENTILE.EXC’s support changed — not documentation claims, real results.

LibreOffice versionVerdictTested
24.2.0.3 Quirk found 2026-08-29
24.8.7.2 Quirk found 2026-08-29
25.2.0.3 Quirk found 2026-08-29
25.8.7.3 Quirk found 2026-07-29

Why isn't PERCENTILE.EXC working in LibreOffice?

PERCENTILE.EXC exists in LibreOffice 25.8.7.3, but it is not a drop-in match for Excel — our executed tests found real behavioral differences (detailed in the test results on this page). If a formula that works in Excel or Google Sheets misbehaves in LibreOffice, compare your usage against the failing cases above before assuming your data is wrong.

Discovered quirks

Executed test cases

Excel for the web (executed 2026-09-01 via OneDrive recalculation)

These values come from Excel for the web, not from desktop Excel. They are two different implementations of the calculation engine, and this run measured only the web one: the corpus was uploaded to OneDrive as .xlsx, recalculated by Excel for the web on open, and downloaded again for readback. Excel for the web is a rolling service with no pinnable version, so the run is identified by its date. Where a value here disagrees with the Expected column — which is Microsoft’s documentation of the desktop product — we cannot tell you whether the web engine diverges from the desktop one or the documentation is wrong about both, because we do not run desktop Excel.

FormulaDescriptionResultExpectedVerdict
=PERCENTILE.EXC(A1:A10,0) Documented divergence from PERCENTILE.INC: PERCENTILE.EXC requires k strictly between 0 and 1 (and more precisely between 1/(n+1) and n/(n+1)); k=0 -> #NUM!. Confirmed via Microsoft's PERCENTILE.EXC docs (https://support.microsoft.com/en-us/office/percentile-exc-function-bbaa7204-e9e1-4010-85bf-c31dc5dce4ba): "If k is <=0 or if k >=1, PERCENTILE.EXC returns the #NUM! error value." PERCENTILE.INC_k_zero on identical data returns 1, not an error. #NUM! #NUM! Matched
=PERCENTILE.EXC(A1:A10,1) k=1 is likewise out of PERCENTILE.EXC's exclusive valid range -> #NUM!, whereas PERCENTILE.INC_k_one on identical data returns 10 #NUM! #NUM! Matched
=PERCENTILE.EXC(A1:A10,0.5) k=0.5 is within the valid range for n=10 (1/11 < 0.5 < 10/11) and matches PERCENTILE.INC's result at the median 5.5 5.5 Matched
=PERCENTILE.EXC(A1:A10,0.1) k=0.1 is valid since 1/(n+1)=1/11=0.0909 < 0.1 < 10/11=0.9091 for n=10 1.1 1.1
Provenance

pos=k*(n+1)=0.1*11=1.1 -> interpolate 10% of the way from data[0]=1 to data[1]=2 -> 1.1

 Matched

Google Sheets (executed 2026-08-29 via Drive import)

Google Sheets is a rolling service with no pinnable version, so this run is identified by its date. The corpus was imported to Drive as .xlsx, recalculated by Sheets, and exported back for readback.

FormulaDescriptionResultExpectedVerdict
=PERCENTILE.EXC(A1:A10,0) Documented divergence from PERCENTILE.INC: PERCENTILE.EXC requires k strictly between 0 and 1 (and more precisely between 1/(n+1) and n/(n+1)); k=0 -> #NUM!. Confirmed via Microsoft's PERCENTILE.EXC docs (https://support.microsoft.com/en-us/office/percentile-exc-function-bbaa7204-e9e1-4010-85bf-c31dc5dce4ba): "If k is <=0 or if k >=1, PERCENTILE.EXC returns the #NUM! error value." PERCENTILE.INC_k_zero on identical data returns 1, not an error. #NUM! #NUM! Matched
=PERCENTILE.EXC(A1:A10,1) k=1 is likewise out of PERCENTILE.EXC's exclusive valid range -> #NUM!, whereas PERCENTILE.INC_k_one on identical data returns 10 #NUM! #NUM! Matched
=PERCENTILE.EXC(A1:A10,0.5) k=0.5 is within the valid range for n=10 (1/11 < 0.5 < 10/11) and matches PERCENTILE.INC's result at the median 5.5 5.5 Matched
=PERCENTILE.EXC(A1:A10,0.1) k=0.1 is valid since 1/(n+1)=1/11=0.0909 < 0.1 < 10/11=0.9091 for n=10 1.1 1.1
Provenance

pos=k*(n+1)=0.1*11=1.1 -> interpolate 10% of the way from data[0]=1 to data[1]=2 -> 1.1

 Matched

LibreOffice Calc 25.8.7.3 (tested 2026-07-29)

FormulaDescriptionResultExpectedVerdict
=PERCENTILE.EXC(A1:A10,0) Documented divergence from PERCENTILE.INC: PERCENTILE.EXC requires k strictly between 0 and 1 (and more precisely between 1/(n+1) and n/(n+1)); k=0 -> #NUM!. Confirmed via Microsoft's PERCENTILE.EXC docs (https://support.microsoft.com/en-us/office/percentile-exc-function-bbaa7204-e9e1-4010-85bf-c31dc5dce4ba): "If k is <=0 or if k >=1, PERCENTILE.EXC returns the #NUM! error value." PERCENTILE.INC_k_zero on identical data returns 1, not an error. #VALUE! #NUM! Mismatch
=PERCENTILE.EXC(A1:A10,1) k=1 is likewise out of PERCENTILE.EXC's exclusive valid range -> #NUM!, whereas PERCENTILE.INC_k_one on identical data returns 10 #VALUE! #NUM! Mismatch
=PERCENTILE.EXC(A1:A10,0.5) k=0.5 is within the valid range for n=10 (1/11 < 0.5 < 10/11) and matches PERCENTILE.INC's result at the median 5.5 5.5 Matched
=PERCENTILE.EXC(A1:A10,0.1) k=0.1 is valid since 1/(n+1)=1/11=0.0909 < 0.1 < 10/11=0.9091 for n=10 1.1 1.1
Provenance

pos=k*(n+1)=0.1*11=1.1 -> interpolate 10% of the way from data[0]=1 to data[1]=2 -> 1.1

 Matched

Docs & syntax

Where PERCENTILE.EXC behaves differently