RRI

Quirk found

Category: Financial · Last tested 2026-09-01

Real compatibility results for the RRI 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

Engine	Documented	Live-tested	Verdict
Excel (desktop)	Yes	No — documented only	n/a
Excel for the web	—	Yes (recalc, 2026-09-01)	Supported, behaves as documented
Google Sheets	Yes	Yes (Drive import, 2026-08-31)	Quirk found
LibreOffice Calc	Yes	Yes (25.8.7.3, 2026-08-31)	Quirk found

LibreOffice version history

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

LibreOffice version	Verdict	Tested
24.2.0.3	Quirk found	2026-08-31
24.8.7.2	Quirk found	2026-08-31
25.2.0.3	Quirk found	2026-08-31
25.8.7.3	Quirk found	2026-08-31

Why isn't RRI working in LibreOffice?

RRI 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.

Why isn’t RRI working in Google Sheets?

RRI runs in Google Sheets, but our executed cases show it does not match Excel’s documented behavior on every input (the failing cases are listed on this page). If a formula that behaves one way in Excel gives you a different answer in Sheets, compare your usage against those cases before assuming your data is wrong.

Discovered quirks

=RRI(0,10000,11000) on Google Sheets returned #DIV/0!, but the documented/expected result is #NUM!.
Provenance
Excel documents #NUM! if nper is less than or equal to 0 (and if pv is less than or equal to 0); MISMATCH vs expected: expected '#NUM!', got '#DIV/0!'
=RRI(0,10000,11000) on LibreOffice Calc returned #VALUE!, but the documented/expected result is #NUM!.
Provenance
Excel documents #NUM! if nper is less than or equal to 0 (and if pv is less than or equal to 0); MISMATCH vs expected: expected '#NUM!', got '#VALUE!'
=RRI(96,0,11000) on LibreOffice Calc returned #VALUE!, but the documented/expected result is #NUM!.
Provenance
Excel documents #NUM! if pv is less than or equal to 0; MISMATCH vs expected: expected '#NUM!', got '#VALUE!'

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.

Formula	Description	Result	Expected	Verdict
=ROUND(RRI(96,10000,11000),7)	Microsoft's documented example: the equivalent interest rate for 10,000 growing to 11,000 over 96 months	0.0009933	0.0009933 Provenance Excel documents this example's result as 0.0009933 (0.09933% per month). Derived from the documented formula RRI = (fv/pv)^(1/nper) - 1 = 1.1^(1/96) - 1 = 0.00099331	Matched
=ROUND(RRI(2,100,400),7)	A clean closed-form case: quadrupling in two periods is exactly 100% per period	1	1 Provenance (400/100)^(1/2) - 1 = 2 - 1 = 1 exactly, i.e. a 100% return each period	Matched
=ROUND(RRI(4,10000,5000),6)	A future value below the present value gives a negative equivalent rate	-0.159104	-0.159104 Provenance (5000/10000)^(1/4) - 1 = 0.5^0.25 - 1 = -0.15910358 -> -0.159104 at 6 dp	Matched
=RRI(0,10000,11000)	Zero periods makes the exponent 1/nper undefined	#NUM!	#NUM! Provenance Excel documents #NUM! if nper is less than or equal to 0 (and if pv is less than or equal to 0)	Matched
=RRI(96,0,11000)	A present value of zero makes the fv/pv ratio undefined	#NUM!	#NUM! Provenance Excel documents #NUM! if pv is less than or equal to 0	Matched

Google Sheets (executed 2026-08-31 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.

Formula	Description	Result	Expected	Verdict
=ROUND(RRI(96,10000,11000),7)	Microsoft's documented example: the equivalent interest rate for 10,000 growing to 11,000 over 96 months	0.0009933	0.0009933 Provenance Excel documents this example's result as 0.0009933 (0.09933% per month). Derived from the documented formula RRI = (fv/pv)^(1/nper) - 1 = 1.1^(1/96) - 1 = 0.00099331	Matched
=ROUND(RRI(2,100,400),7)	A clean closed-form case: quadrupling in two periods is exactly 100% per period	1	1 Provenance (400/100)^(1/2) - 1 = 2 - 1 = 1 exactly, i.e. a 100% return each period	Matched
=ROUND(RRI(4,10000,5000),6)	A future value below the present value gives a negative equivalent rate	-0.159104	-0.159104 Provenance (5000/10000)^(1/4) - 1 = 0.5^0.25 - 1 = -0.15910358 -> -0.159104 at 6 dp	Matched
=RRI(0,10000,11000)	Zero periods makes the exponent 1/nper undefined	#DIV/0!	#NUM! Provenance Excel documents #NUM! if nper is less than or equal to 0 (and if pv is less than or equal to 0)	Mismatch
=RRI(96,0,11000)	A present value of zero makes the fv/pv ratio undefined	#NUM!	#NUM! Provenance Excel documents #NUM! if pv is less than or equal to 0	Matched

LibreOffice Calc 25.8.7.3 (tested 2026-08-31)

Formula	Description	Result	Expected	Verdict
=ROUND(RRI(96,10000,11000),7)	Microsoft's documented example: the equivalent interest rate for 10,000 growing to 11,000 over 96 months	0.0009933	0.0009933 Provenance Excel documents this example's result as 0.0009933 (0.09933% per month). Derived from the documented formula RRI = (fv/pv)^(1/nper) - 1 = 1.1^(1/96) - 1 = 0.00099331	Matched
=ROUND(RRI(2,100,400),7)	A clean closed-form case: quadrupling in two periods is exactly 100% per period	1	1 Provenance (400/100)^(1/2) - 1 = 2 - 1 = 1 exactly, i.e. a 100% return each period	Matched
=ROUND(RRI(4,10000,5000),6)	A future value below the present value gives a negative equivalent rate	-0.159104	-0.159104 Provenance (5000/10000)^(1/4) - 1 = 0.5^0.25 - 1 = -0.15910358 -> -0.159104 at 6 dp	Matched
=RRI(0,10000,11000)	Zero periods makes the exponent 1/nper undefined	#VALUE!	#NUM! Provenance Excel documents #NUM! if nper is less than or equal to 0 (and if pv is less than or equal to 0)	Mismatch
=RRI(96,0,11000)	A present value of zero makes the fv/pv ratio undefined	#VALUE!	#NUM! Provenance Excel documents #NUM! if pv is less than or equal to 0	Mismatch

Docs & syntax

Excel (desktop): official documentation
Google Sheets: official documentation
LibreOffice Calc: official documentation

Where RRI behaves differently

Every error code LibreOffice reports as #VALUE!
Across our 2,334-case executed corpus, 272 cases in 135 functions return #VALUE! in LibreOffice Calc 25.8.7.3 where Microsoft documents #NUM! (244), #N/A (15), #DIV/0! (10) or #REF! (3). Google Sheets returns the documented code on 239 of the 249 it has a function for. Identical in all four LibreOffice builds tested.