COUPNUM function in Excel
Returns the number of coupons payable between the settlement date and maturity date
=COUPNUM(settlement, maturity, frequency, [basis])COUPNUM syntax and parameters
Four arguments, three required.
- settlementanyRequired
The security's settlement date. The security settlement date is the date after the issue date when the security is traded to the buyer.
- maturityanyRequired
The security's maturity date. The maturity date is the date when the security expires.
- frequencynumberRequired
The number of coupon payments per year. For annual payments, frequency = 1; for semiannual, frequency = 2; for quarterly, frequency = 4.
- basisanyOptional
The type of day count basis to use.
COUPNUM examples
Formulas you'll actually reuse.
Coupons still to be paid between settlement and maturity:
=COUPNUM(DATE(2026, 5, 15), DATE(2031, 3, 15), 2)Result
10For a quarterly payer from cells (frequency 4):
=COUPNUM(B2, C2, 4)
COUPNUM in Google Sheets
Same name — your formula ports as-is.
Try COUPNUM in the playground
Edit the example — nothing to install.
Preloaded with the COUPNUM formula from Example 1 — change anything and watch it respond.
COUPNUM errors
What they mean — and the fixes.
#NUM!settlement is on or after maturity, or frequency isn't 1, 2 or 4.
Related functions
More ways Excel gets this done.
- ACCRINTReturns the accrued interest for a security that pays periodic interestFinancialGoogle Sheets
- ACCRINTMReturns the accrued interest for a security that pays interest at maturityFinancialGoogle Sheets
- AMORDEGRCReturns the depreciation for each accounting period by using a depreciation coefficientFinancialNo Google Sheets equivalent
- AMORLINCReturns the depreciation for each accounting periodFinancialGoogle Sheets
- COUPDAYBSReturns the number of days from the beginning of the coupon period to the settlement dateFinancialGoogle Sheets
- COUPDAYSReturns the number of days in the coupon period that contains the settlement dateFinancialGoogle Sheets