Calculates the equivalent annualized rate of return of a US Treasury Bill based on discount rate.

Sample Usage

TBILLEQ(DATE(2010,1,2), DATE(2010,12,31), .09)



TBILLEQ(settlement, maturity, discount)

  • settlement - The settlement date of the security, the date after issuance when the security is delivered to the buyer.

  • maturity - The maturity or end date of the security, when it can be redeemed at face or par value.

  • discount - The discount rate of the bill at time of purchase.


  • settlement and maturity should be entered using DATE, TO_DATE or other date parsing functions rather than by entering text.

See Also

TBILLYIELD: Calculates the yield of a US Treasury Bill based on price.

TBILLPRICE: Calculates the price of a US Treasury Bill based on discount rate.


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