Syntax

TBILLEQ(settlement, maturity, discount)

Arguments

The printed syntax lists 3 argument(s), in order:

  • settlement
  • maturity
  • discount

“optional” marks an argument Google prints in square brackets; “repeatable” marks one Google prints with “…”.

Description from Google Docs Editors Help

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

Google’s help article for TBILLEQ →

Source: Google Docs Editors Help, “Google Sheets function list” (support.google.com/docs/table/25273), record record 119 of 516, data fetched 28 September 2026. Data month: September 2026.